Medium severity5.5NVD Advisory· Published Mar 25, 2024· Updated Jun 17, 2026
CVE-2024-28246
CVE-2024-28246
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
katexnpm | >= 0.11.0, < 0.16.10 | 0.16.10 |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/KaTeX/KaTeX/commit/fc5af64183a3ceb9be9d1c23a275999a728593denvdPatchWEB
- github.com/KaTeX/KaTeX/security/advisories/GHSA-3wc5-fcw2-2329nvdMitigationThird Party AdvisoryWEB
- github.com/advisories/GHSA-3wc5-fcw2-2329ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-28246ghsaADVISORY
News mentions
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