Vulnerability library
Security checkMarch 25, 2024

KaTeX missing normalization of the protocol in URLs allows bypassing forbidden protocols

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Medium severitynpmkatex

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Description

Code that uses KaTeX’s trust option, specifically that provides a function to block-list certain URL protocols, can be fooled by URLs in malicious inputs that use uppercase characters in the protocol.

Recommendation

Update the katex package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 0.11.0, < 0.16.10
  • Patched version(s): 0.16.10

References

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Related Issues

See something that needs correcting? Let us knowUpdated March 25, 2024