Bump rails-html-sanitizer from 1.6.0 to 1.6.1

[dependabot]

Bumps rails-html-sanitizer from 1.6.0 to 1.6.1.

Release notes

Sourced from rails-html-sanitizer's releases.

1.6.1 / 2024-12-02

This is a performance and security release which addresses several possible XSS vulnerabilities.

• The dependency on Nokogiri is updated to v1.15.7 or >=1.16.8.

  This change addresses CVE-2024-53985 (GHSA-w8gc-x259-rc7x).

  Mike Dalessio

• Disallowed tags will be pruned when they appear in foreign content (i.e. SVG or MathML content), regardless of the prune: option value. Previously, disallowed tags were "stripped" unless the gem was configured with the prune: true option.

  The CVEs addressed by this change are:

  • CVE-2024-53986 (GHSA-638j-pmjw-jq48)
  • CVE-2024-53987 (GHSA-2x5m-9ch4-qgrr)

  Mike Dalessio

• The tags "noscript", "mglyph", and "malignmark" will not be allowed, even if explicitly added to the allowlist. If applications try to allow any of these tags, a warning is emitted and the tags are removed from the allow-list.

  The CVEs addressed by this change are:

  • CVE-2024-53988 (GHSA-cfjx-w229-hgx5)
  • CVE-2024-53989 (GHSA-rxv5-gxqc-xx8g)

  Please note that we may restore support for allowing "noscript" in a future release. We do not expect to ever allow "mglyph" or "malignmark", though, especially since browser support is minimal for these tags.

  Mike Dalessio

• Improve performance by eliminating needless operations on attributes that are being removed. #188

  Mike Dalessio

Changelog

Sourced from rails-html-sanitizer's changelog.

1.6.1 / 2024-12-02

This is a performance and security release which addresses several possible XSS vulnerabilities.

• The dependency on Nokogiri is updated to v1.15.7 or >=1.16.8.

  This change addresses CVE-2024-53985 (GHSA-w8gc-x259-rc7x).

  Mike Dalessio

• Disallowed tags will be pruned when they appear in foreign content (i.e. SVG or MathML content), regardless of the prune: option value. Previously, disallowed tags were "stripped" unless the gem was configured with the prune: true option.

  The CVEs addressed by this change are:

  • CVE-2024-53986 (GHSA-638j-pmjw-jq48)
  • CVE-2024-53987 (GHSA-2x5m-9ch4-qgrr)

  Mike Dalessio

• The tags "noscript", "mglyph", and "malignmark" will not be allowed, even if explicitly added to the allowlist. If applications try to allow any of these tags, a warning is emitted and the tags are removed from the allow-list.

  The CVEs addressed by this change are:

  • CVE-2024-53988 (GHSA-cfjx-w229-hgx5)
  • CVE-2024-53989 (GHSA-rxv5-gxqc-xx8g)

  Please note that we may restore support for allowing "noscript" in a future release. We do not expect to ever allow "mglyph" or "malignmark", though, especially since browser support is minimal for these tags.

  Mike Dalessio

• Improve performance by eliminating needless operations on attributes that are being removed. #188

  Mike Dalessio

Commits

• 5e96b19 version bump to v1.6.1
• 383cc7c doc: update CHANGELOG with assigned CVEs
• a7b0cfe Combine the noscript/mglyph prevention blocks
• 5658335 Merge branch 'h1-2509647-noscript' into flavorjones-2024-security-fixes
• 65fb72f Merge branch 'h1-2519936-mglyph-foster-parenting' into flavorjones-2024-secur...
• 3fe22a8 Merge branch 'h1-2519936-foreign-ns-confusion' into flavorjones-2024-security...
• d7a94c1 Merge branch 'h1-2503220-nokogiri-serialization' into flavorjones-2024-securi...
• 3fd6e65 doc: update CHANGELOG
• 1625173 fix: disallow 'noscript' from safe lists
• a0a3e8b fix: disallow 'mglyph' and 'malignmark' from safe lists
• Additional commits viewable in compare view

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