build(deps): [security] bump bleach from 3.2.1 to 3.3.0

[dependabot-preview[bot]]

Bumps bleach from 3.2.1 to 3.3.0. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Cross-site scripting in Bleach

Impact

A mutation XSS affects users calling bleach.clean with all of:

• svg or math in the allowed tags
• p or br in allowed tags
• style in allowed tags
• the keyword argument strip_comments=False

Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.

Patches

Users are encouraged to upgrade to bleach v3.3.0 or greater.

Note: bleach v3.3.0 introduces a breaking change to escape HTML comments by default.

Workarounds

• modify bleach.clean calls to at least one of:

... (truncated)

Affected versions: < 3.3.0

Changelog

Sourced from bleach's changelog.

Version 3.3.0 (February 1st, 2021)

Backwards incompatible changes

• clean escapes HTML comments even when strip_comments=False

Security fixes

• Fix bug 1621692 / GHSA-m6xf-fq7q-8743. See the advisory for details.

Features

None

Bug fixes

None

Version 3.2.3 (January 26th, 2021)

Security fixes

None

Features

None

Bug fixes

• fix clean and linkify raising ValueErrors for certain inputs. Thank you @Google-Autofuzz.

Version 3.2.2 (January 20th, 2021)

Security fixes

None

Features

• Migrate CI to Github Actions. Thank you @hugovk.

Bug fixes

• fix linkify raising an IndexError on certain inputs. Thank you @Google-Autofuzz.

Commits

• 79b7a3c Merge pull request from GHSA-vv2x-vrpj-qqpq
• 842fcb4 Update for v3.3.0 release
• 1334134 sanitizer: escape HTML comments
• c045a8b Merge pull request #581 from mozilla/nit-fixes
• 491abb0 fix typo s/vnedoring/vendoring/
• 10b1c5d vendor: add html5lib-1.1.dist-info/REQUESTED
• cd838c3 Merge pull request #579 from mozilla/validate-convert-entity-code-points
• 612b808 Update for v3.2.3 release
• 6879f6a html5lib_shim: validate unicode points for convert_entity
• 90cb80b Update for v3.2.2 release
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Looks like bleach is up-to-date now, so this is no longer needed.