Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases. It offers a unique approach to consensus that enables performance at scale while preserving privacy.
The xmlattr filter in affected versions of Jinja accepts keys containing spaces. XML/HTML attributes cannot contain spaces, as each would then be interpreted as a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. Note that accepting keys as user input is not common or a particularly intended use case of the xmlattr filter, and an application doing so should already be verifying what keys are provided regardless of this fix.
The xmlattr filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attributes cannot contain spaces, /, >, or =, as each would then be interpreted as starting a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. The fix for the previous GHSA-h5c8-rqwp-cp95 CVE-2024-22195 only addressed spaces but not other characters.
Accepting keys as user input is now explicitly considered an unintended use case of the xmlattr filter, and code that does so without otherwise validating the input should be flagged as insecure, regardless of Jinja version. Accepting values as user input continues to be safe.
Release Notes
pallets/jinja (Jinja2)
### [`v3.1.4`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-314)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.1.3...3.1.4)
Released 2024-05-05
- The `xmlattr` filter does not allow keys with `/` solidus, `>`
greater-than sign, or `=` equals sign, in addition to disallowing spaces.
Regardless of any validation done by Jinja, user input should never be used
as keys to this filter, or must be separately validated first.
:ghsa:`h75v-3vvj-5mfj`
### [`v3.1.3`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-313)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.1.2...3.1.3)
Released 2024-01-10
- Fix compiler error when checking if required blocks in parent templates are
empty. :pr:`1858`
- `xmlattr` filter does not allow keys with spaces. :ghsa:`h5c8-rqwp-cp95`
- Make error messages stemming from invalid nesting of `{% trans %}` blocks
more helpful. :pr:`1918`
### [`v3.1.2`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-312)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.1.1...3.1.2)
Released 2022-04-28
- Add parameters to `Environment.overlay` to match `__init__`.
:issue:`1645`
- Handle race condition in `FileSystemBytecodeCache`. :issue:`1654`
### [`v3.1.1`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-311)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.1.0...3.1.1)
Released 2022-03-25
- The template filename on Windows uses the primary path separator.
:issue:`1637`
### [`v3.1.0`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-310)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.0.3...3.1.0)
Released 2022-03-24
- Drop support for Python 3.6. :pr:`1534`
- Remove previously deprecated code. :pr:`1544`
- `WithExtension` and `AutoEscapeExtension` are built-in now.
- `contextfilter` and `contextfunction` are replaced by
`pass_context`. `evalcontextfilter` and
`evalcontextfunction` are replaced by `pass_eval_context`.
`environmentfilter` and `environmentfunction` are replaced
by `pass_environment`.
- `Markup` and `escape` should be imported from MarkupSafe.
- Compiled templates from very old Jinja versions may need to be
recompiled.
- Legacy resolve mode for `Context` subclasses is no longer
supported. Override `resolve_or_missing` instead of
`resolve`.
- `unicode_urlencode` is renamed to `url_quote`.
- Add support for native types in macros. :issue:`1510`
- The `{% trans %}` tag can use `pgettext` and `npgettext` by
passing a context string as the first token in the tag, like
`{% trans "title" %}`. :issue:`1430`
- Update valid identifier characters from Python 3.6 to 3.7.
:pr:`1571`
- Filters and tests decorated with `@async_variant` are pickleable.
:pr:`1612`
- Add `items` filter. :issue:`1561`
- Subscriptions (`[0]`, etc.) can be used after filters, tests, and
calls when the environment is in async mode. :issue:`1573`
- The `groupby` filter is case-insensitive by default, matching
other comparison filters. Added the `case_sensitive` parameter to
control this. :issue:`1463`
- Windows drive-relative path segments in template names will not
result in `FileSystemLoader` and `PackageLoader` loading from
drive-relative paths. :pr:`1621`
### [`v3.0.3`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-303)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.0.2...3.0.3)
Released 2021-11-09
- Fix traceback rewriting internals for Python 3.10 and 3.11.
:issue:`1535`
- Fix how the native environment treats leading and trailing spaces
when parsing values on Python 3.10. :pr:`1537`
- Improve async performance by avoiding checks for common types.
:issue:`1514`
- Revert change to `hash(Node)` behavior. Nodes are hashed by id
again :issue:`1521`
- `PackageLoader` works when the package is a single module file.
:issue:`1512`
### [`v3.0.2`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-302)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.0.1...3.0.2)
Released 2021-10-04
- Fix a loop scoping bug that caused assignments in nested loops
to still be referenced outside of it. :issue:`1427`
- Make `compile_templates` deterministic for filter and import
names. :issue:`1452, 1453`
- Revert an unintended change that caused `Undefined` to act like
`StrictUndefined` for the `in` operator. :issue:`1448`
- Imported macros have access to the current template globals in async
environments. :issue:`1494`
- `PackageLoader` will not include a current directory (.) path
segment. This allows loading templates from the root of a zip
import. :issue:`1467`
### [`v3.0.1`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-301)
[Compare Source](https://togithub.com/pallets/jinja/compare/3.0.0...3.0.1)
Released 2021-05-18
- Update MarkupSafe dependency to >= 2.0. :pr:`1418`
- Mark top-level names as exported so type checking understands
imports in user projects. :issue:`1426`
- Fix some types that weren't available in Python 3.6.0. :issue:`1433`
- The deprecation warning for unneeded `autoescape` and `with_`
extensions shows more relevant context. :issue:`1429`
- Fixed calling deprecated `jinja2.Markup` without an argument.
Use `markupsafe.Markup` instead. :issue:`1438`
- Calling sync `render` for an async template uses `asyncio.new_event_loop`
This fixes a deprecation that Python 3.10 introduces. :issue:`1443`
### [`v3.0.0`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-300)
[Compare Source](https://togithub.com/pallets/jinja/compare/2.11.3...3.0.0)
Released 2021-05-11
- Drop support for Python 2.7 and 3.5.
- Bump MarkupSafe dependency to >=1.1.
- Bump Babel optional dependency to >=2.1.
- Remove code that was marked deprecated.
- Add type hinting. :pr:`1412`
- Use :pep:`451` API to load templates with
:class:`~loaders.PackageLoader`. :issue:`1168`
- Fix a bug that caused imported macros to not have access to the
current template's globals. :issue:`688`
- Add ability to ignore `trim_blocks` using `+%}`. :issue:`1036`
- Fix a bug that caused custom async-only filters to fail with
constant input. :issue:`1279`
- Fix UndefinedError incorrectly being thrown on an undefined variable
instead of `Undefined` being returned on
`NativeEnvironment` on Python 3.10. :issue:`1335`
- Blocks can be marked as `required`. They must be overridden at
some point, but not necessarily by the direct child. :issue:`1147`
- Deprecate the `autoescape` and `with` extensions, they are
built-in to the compiler. :issue:`1203`
- The `urlize` filter recognizes `mailto:` links and takes
`extra_schemes` (or `env.policies["urlize.extra_schemes"]`) to
recognize other schemes. It tries to balance parentheses within a
URL instead of ignoring trailing characters. The parsing in general
has been updated to be more efficient and match more cases. URLs
without a scheme are linked as `https://` instead of `http://`.
:issue:`522, 827, 1172`, :pr:`1195`
- Filters that get attributes, such as `map` and `groupby`, can
use a false or empty value as a default. :issue:`1331`
- Fix a bug that prevented variables set in blocks or loops from
being accessed in custom context functions. :issue:`768`
- Fix a bug that caused scoped blocks from accessing special loop
variables. :issue:`1088`
- Update the template globals when calling
`Environment.get_template(globals=...)` even if the template was
already loaded. :issue:`295`
- Do not raise an error for undefined filters in unexecuted
if-statements and conditional expressions. :issue:`842`
- Add `is filter` and `is test` tests to test if a name is a
registered filter or test. This allows checking if a filter is
available in a template before using it. Test functions can be
decorated with `@pass_environment`, `@pass_eval_context`,
or `@pass_context`. :issue:`842`, :pr:`1248`
- Support `pgettext` and `npgettext` (message contexts) in i18n
extension. :issue:`441`
- The `|indent` filter's `width` argument can be a string to
indent by. :pr:`1167`
- The parser understands hex, octal, and binary integer literals.
:issue:`1170`
- `Undefined.__contains__` (`in`) raises an `UndefinedError`
instead of a `TypeError`. :issue:`1198`
- `Undefined` is iterable in an async environment. :issue:`1294`
- `NativeEnvironment` supports async mode. :issue:`1362`
- Template rendering only treats `\n`, `\r\n` and `\r` as line
breaks. Other characters are left unchanged. :issue:`769, 952, 1313`
- `|groupby` filter takes an optional `default` argument.
:issue:`1359`
- The function and filter decorators have been renamed and unified.
The old names are deprecated. :issue:`1381`
- `pass_context` replaces `contextfunction` and
`contextfilter`.
- `pass_eval_context` replaces `evalcontextfunction` and
`evalcontextfilter`
- `pass_environment` replaces `environmentfunction` and
`environmentfilter`.
- Async support no longer requires Jinja to patch itself. It must
still be enabled with `Environment(enable_async=True)`.
:issue:`1390`
- Overriding `Context.resolve` is deprecated, override
`resolve_or_missing` instead. :issue:`1380`
Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
[ ] If you want to rebase/retry this PR, check this box
This PR contains the following updates:
==2.11.3
->==3.1.4
GitHub Vulnerability Alerts
CVE-2024-22195
The
xmlattr
filter in affected versions of Jinja accepts keys containing spaces. XML/HTML attributes cannot contain spaces, as each would then be interpreted as a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. Note that accepting keys as user input is not common or a particularly intended use case of thexmlattr
filter, and an application doing so should already be verifying what keys are provided regardless of this fix.CVE-2024-34064
The
xmlattr
filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attributes cannot contain spaces,/
,>
, or=
, as each would then be interpreted as starting a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. The fix for the previous GHSA-h5c8-rqwp-cp95 CVE-2024-22195 only addressed spaces but not other characters.Accepting keys as user input is now explicitly considered an unintended use case of the
xmlattr
filter, and code that does so without otherwise validating the input should be flagged as insecure, regardless of Jinja version. Accepting values as user input continues to be safe.Release Notes
pallets/jinja (Jinja2)
### [`v3.1.4`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-314) [Compare Source](https://togithub.com/pallets/jinja/compare/3.1.3...3.1.4) Released 2024-05-05 - The `xmlattr` filter does not allow keys with `/` solidus, `>` greater-than sign, or `=` equals sign, in addition to disallowing spaces. Regardless of any validation done by Jinja, user input should never be used as keys to this filter, or must be separately validated first. :ghsa:`h75v-3vvj-5mfj` ### [`v3.1.3`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-313) [Compare Source](https://togithub.com/pallets/jinja/compare/3.1.2...3.1.3) Released 2024-01-10 - Fix compiler error when checking if required blocks in parent templates are empty. :pr:`1858` - `xmlattr` filter does not allow keys with spaces. :ghsa:`h5c8-rqwp-cp95` - Make error messages stemming from invalid nesting of `{% trans %}` blocks more helpful. :pr:`1918` ### [`v3.1.2`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-312) [Compare Source](https://togithub.com/pallets/jinja/compare/3.1.1...3.1.2) Released 2022-04-28 - Add parameters to `Environment.overlay` to match `__init__`. :issue:`1645` - Handle race condition in `FileSystemBytecodeCache`. :issue:`1654` ### [`v3.1.1`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-311) [Compare Source](https://togithub.com/pallets/jinja/compare/3.1.0...3.1.1) Released 2022-03-25 - The template filename on Windows uses the primary path separator. :issue:`1637` ### [`v3.1.0`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-310) [Compare Source](https://togithub.com/pallets/jinja/compare/3.0.3...3.1.0) Released 2022-03-24 - Drop support for Python 3.6. :pr:`1534` - Remove previously deprecated code. :pr:`1544` - `WithExtension` and `AutoEscapeExtension` are built-in now. - `contextfilter` and `contextfunction` are replaced by `pass_context`. `evalcontextfilter` and `evalcontextfunction` are replaced by `pass_eval_context`. `environmentfilter` and `environmentfunction` are replaced by `pass_environment`. - `Markup` and `escape` should be imported from MarkupSafe. - Compiled templates from very old Jinja versions may need to be recompiled. - Legacy resolve mode for `Context` subclasses is no longer supported. Override `resolve_or_missing` instead of `resolve`. - `unicode_urlencode` is renamed to `url_quote`. - Add support for native types in macros. :issue:`1510` - The `{% trans %}` tag can use `pgettext` and `npgettext` by passing a context string as the first token in the tag, like `{% trans "title" %}`. :issue:`1430` - Update valid identifier characters from Python 3.6 to 3.7. :pr:`1571` - Filters and tests decorated with `@async_variant` are pickleable. :pr:`1612` - Add `items` filter. :issue:`1561` - Subscriptions (`[0]`, etc.) can be used after filters, tests, and calls when the environment is in async mode. :issue:`1573` - The `groupby` filter is case-insensitive by default, matching other comparison filters. Added the `case_sensitive` parameter to control this. :issue:`1463` - Windows drive-relative path segments in template names will not result in `FileSystemLoader` and `PackageLoader` loading from drive-relative paths. :pr:`1621` ### [`v3.0.3`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-303) [Compare Source](https://togithub.com/pallets/jinja/compare/3.0.2...3.0.3) Released 2021-11-09 - Fix traceback rewriting internals for Python 3.10 and 3.11. :issue:`1535` - Fix how the native environment treats leading and trailing spaces when parsing values on Python 3.10. :pr:`1537` - Improve async performance by avoiding checks for common types. :issue:`1514` - Revert change to `hash(Node)` behavior. Nodes are hashed by id again :issue:`1521` - `PackageLoader` works when the package is a single module file. :issue:`1512` ### [`v3.0.2`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-302) [Compare Source](https://togithub.com/pallets/jinja/compare/3.0.1...3.0.2) Released 2021-10-04 - Fix a loop scoping bug that caused assignments in nested loops to still be referenced outside of it. :issue:`1427` - Make `compile_templates` deterministic for filter and import names. :issue:`1452, 1453` - Revert an unintended change that caused `Undefined` to act like `StrictUndefined` for the `in` operator. :issue:`1448` - Imported macros have access to the current template globals in async environments. :issue:`1494` - `PackageLoader` will not include a current directory (.) path segment. This allows loading templates from the root of a zip import. :issue:`1467` ### [`v3.0.1`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-301) [Compare Source](https://togithub.com/pallets/jinja/compare/3.0.0...3.0.1) Released 2021-05-18 - Update MarkupSafe dependency to >= 2.0. :pr:`1418` - Mark top-level names as exported so type checking understands imports in user projects. :issue:`1426` - Fix some types that weren't available in Python 3.6.0. :issue:`1433` - The deprecation warning for unneeded `autoescape` and `with_` extensions shows more relevant context. :issue:`1429` - Fixed calling deprecated `jinja2.Markup` without an argument. Use `markupsafe.Markup` instead. :issue:`1438` - Calling sync `render` for an async template uses `asyncio.new_event_loop` This fixes a deprecation that Python 3.10 introduces. :issue:`1443` ### [`v3.0.0`](https://togithub.com/pallets/jinja/blob/HEAD/CHANGES.rst#Version-300) [Compare Source](https://togithub.com/pallets/jinja/compare/2.11.3...3.0.0) Released 2021-05-11 - Drop support for Python 2.7 and 3.5. - Bump MarkupSafe dependency to >=1.1. - Bump Babel optional dependency to >=2.1. - Remove code that was marked deprecated. - Add type hinting. :pr:`1412` - Use :pep:`451` API to load templates with :class:`~loaders.PackageLoader`. :issue:`1168` - Fix a bug that caused imported macros to not have access to the current template's globals. :issue:`688` - Add ability to ignore `trim_blocks` using `+%}`. :issue:`1036` - Fix a bug that caused custom async-only filters to fail with constant input. :issue:`1279` - Fix UndefinedError incorrectly being thrown on an undefined variable instead of `Undefined` being returned on `NativeEnvironment` on Python 3.10. :issue:`1335` - Blocks can be marked as `required`. They must be overridden at some point, but not necessarily by the direct child. :issue:`1147` - Deprecate the `autoescape` and `with` extensions, they are built-in to the compiler. :issue:`1203` - The `urlize` filter recognizes `mailto:` links and takes `extra_schemes` (or `env.policies["urlize.extra_schemes"]`) to recognize other schemes. It tries to balance parentheses within a URL instead of ignoring trailing characters. The parsing in general has been updated to be more efficient and match more cases. URLs without a scheme are linked as `https://` instead of `http://`. :issue:`522, 827, 1172`, :pr:`1195` - Filters that get attributes, such as `map` and `groupby`, can use a false or empty value as a default. :issue:`1331` - Fix a bug that prevented variables set in blocks or loops from being accessed in custom context functions. :issue:`768` - Fix a bug that caused scoped blocks from accessing special loop variables. :issue:`1088` - Update the template globals when calling `Environment.get_template(globals=...)` even if the template was already loaded. :issue:`295` - Do not raise an error for undefined filters in unexecuted if-statements and conditional expressions. :issue:`842` - Add `is filter` and `is test` tests to test if a name is a registered filter or test. This allows checking if a filter is available in a template before using it. Test functions can be decorated with `@pass_environment`, `@pass_eval_context`, or `@pass_context`. :issue:`842`, :pr:`1248` - Support `pgettext` and `npgettext` (message contexts) in i18n extension. :issue:`441` - The `|indent` filter's `width` argument can be a string to indent by. :pr:`1167` - The parser understands hex, octal, and binary integer literals. :issue:`1170` - `Undefined.__contains__` (`in`) raises an `UndefinedError` instead of a `TypeError`. :issue:`1198` - `Undefined` is iterable in an async environment. :issue:`1294` - `NativeEnvironment` supports async mode. :issue:`1362` - Template rendering only treats `\n`, `\r\n` and `\r` as line breaks. Other characters are left unchanged. :issue:`769, 952, 1313` - `|groupby` filter takes an optional `default` argument. :issue:`1359` - The function and filter decorators have been renamed and unified. The old names are deprecated. :issue:`1381` - `pass_context` replaces `contextfunction` and `contextfilter`. - `pass_eval_context` replaces `evalcontextfunction` and `evalcontextfilter` - `pass_environment` replaces `environmentfunction` and `environmentfilter`. - Async support no longer requires Jinja to patch itself. It must still be enabled with `Environment(enable_async=True)`. :issue:`1390` - Overriding `Context.resolve` is deprecated, override `resolve_or_missing` instead. :issue:`1380`Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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