Bump sanitize from 5.1.0 to 5.2.1

[dependabot[bot]]

Bumps sanitize from 5.1.0 to 5.2.1.

Release notes

Sourced from sanitize's releases.

v5.2.1

Bug Fixes

• Fixed an HTML sanitization bypass that could allow XSS. This issue affects Sanitize versions 3.0.0 through 5.2.0.

  When HTML was sanitized using the "relaxed" config or a custom config that allows certain elements, some content in a <math> or <svg> element may not have beeen sanitized correctly even if math and svg were not in the allowlist. This could allow carefully crafted input to sneak arbitrary HTML through Sanitize, potentially enabling an XSS (cross-site scripting) attack.

  You are likely to be vulnerable to this issue if you use Sanitize's relaxed config or a custom config that allows one or more of the following HTML elements:

  • iframe
  • math
  • noembed
  • noframes
  • noscript
  • plaintext
  • script
  • style
  • svg
  • xmp

  See the security advisory for more details, including a workaround if you're not able to upgrade: GHSA-p4x4-rw2p-8j8m

  Many thanks to Michał Bentkowski of Securitum for reporting this issue and helping to verify the fix.

v5.2.0

Changes

• The term "whitelist" has been replaced with "allowlist" throughout Sanitize's source and documentation.

  While the etymology of "whitelist" may not be explicitly racist in origin or intent, there are inherent racial connotations in the implication that white is good and black (as in "blacklist") is not.

  This is a change I should have made long ago, and I apologize for not making it sooner.

• In transformer input, the :is_whitelisted and :node_whitelist keys are now deprecated. New :is_allowlisted and :node_allowlist keys have been added. The old keys will continue to work in order to avoid breaking existing code, but they are no longer documented and may be removed in a future semver major release.

Changelog

Sourced from sanitize's changelog.

5.2.1 (2020-06-16)

Bug Fixes

• Fixed an HTML sanitization bypass that could allow XSS. This issue affects Sanitize versions 3.0.0 through 5.2.0.

  When HTML was sanitized using the "relaxed" config or a custom config that allows certain elements, some content in a <math> or <svg> element may not have beeen sanitized correctly even if math and svg were not in the allowlist. This could allow carefully crafted input to sneak arbitrary HTML through Sanitize, potentially enabling an XSS (cross-site scripting) attack.

  You are likely to be vulnerable to this issue if you use Sanitize's relaxed config or a custom config that allows one or more of the following HTML elements:

  • iframe
  • math
  • noembed
  • noframes
  • noscript
  • plaintext
  • script
  • style
  • svg
  • xmp

  See the security advisory for more details, including a workaround if you're not able to upgrade: GHSA-p4x4-rw2p-8j8m

  Many thanks to Michał Bentkowski of Securitum for reporting this issue and helping to verify the fix.

5.2.0 (2020-06-06)

Changes

• The term "whitelist" has been replaced with "allowlist" throughout Sanitize's source and documentation.

  While the etymology of "whitelist" may not be explicitly racist in origin or intent, there are inherent racial connotations in the implication that white is good and black (as in "blacklist") is not.

  This is a change I should have made long ago, and I apologize for not making it sooner.

... (truncated)

Commits

• 773d1af Release 5.2.1
• a11498d Fix sanitization bypass in HTML foreign content
• 1d0d688 Update the "Supported Versions" policy to be more realistic
• 4166da2 Release 5.2.0
• 3c78c7e Add Ruby 2.7.x to the test matrix
• 78fbcc3 Stop using the term "whitelist"
• c90bcb1 Merge pull request #199 from flavorjones/flavorjones-skip-nokogiri-patch-tests
• 21da9b6 Avoid testing nokogiri's patch when using system libxml2
• See full diff in compare view

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