CVE-2024-28246 (GCVE-0-2024-28246)

Vulnerability from cvelistv5 – Published: 2024-03-25 20:00 – Updated: 2024-08-02 00:48
VLAI?
Title
KaTeX is missing normalization of the protocol in URLs allows bypassing forbidden protocols
Summary
KaTeX is a JavaScript library for TeX math rendering on the web. Code that uses KaTeX's `trust` option, specifically that provides a function to blacklist certain URL protocols, can be fooled by URLs in malicious inputs that use uppercase characters in the protocol. In particular, this can allow for malicious input to generate `javascript:` links in the output, even if the `trust` function tries to forbid this protocol via `trust: (context) => context.protocol !== 'javascript'`. Upgrade to KaTeX v0.16.10 to remove this vulnerability.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
  • CWE-697 - Incorrect Comparison
Assigner
References
Impacted products
Vendor Product Version
KaTeX KaTeX Affected: >= 0.11.0, < 0.16.10
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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