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.
CVE-2024-28246
This medium-severity CVE scores 5.5 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EPSS
- 32.7%
- KEV
- Not listed
Published
March 25, 2024
Last Modified
September 2, 2025
References (4)
- security-advisories@githubhttps://github.com/KaTeX/KaTeX/commit/fc5af64183a3ceb9be9d1c23a275999a728593de
- security-advisories@githubhttps://github.com/KaTeX/KaTeX/security/advisories/GHSA-3wc5-fcw2-2329
- af854a3a-2127-422b-91ae-364da2661108https://github.com/KaTeX/KaTeX/commit/fc5af64183a3ceb9be9d1c23a275999a728593de
- af854a3a-2127-422b-91ae-364da2661108https://github.com/KaTeX/KaTeX/security/advisories/GHSA-3wc5-fcw2-2329
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libjs-katex (0.16.10+~cs6.1.0-2ubuntu0.25.04.1) @ plucky | 2026-05-24 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| katex | — | 0.16.10 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 11× in last 7d / 50× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-05-24 05:55 UTCEG score recompute
- 2026-05-24 05:55 UTCVendor advisory
Frequently asked(5)
What is CVE-2024-28246?
When was CVE-2024-28246 disclosed?
Is CVE-2024-28246 actively exploited?
What is the CVSS score of CVE-2024-28246?
How do I remediate CVE-2024-28246?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-28246
Is Your Infrastructure Affected by CVE-2024-28246?
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