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CVE-2024-28246

18
FAUCET Score

CVE-2024-28246 is a medium-severity vulnerability affecting KaTeX, a JavaScript library for rendering TeX math. It allows attackers to bypass URL protocol blacklisting in KaTeX's trust option by using uppercase characters in malicious URLs, potentially leading to the generation of unwanted javascript: links. The vulnerability has a CVSS score of 5.4, indicating that it can be exploited remotely with low complexity, requiring user interaction, and could result in limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.11.0, < 0.16.10CPE matchmatch criteria
cpe:2.3:a:katex:katex:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 34th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: katexFixed in: 0.16.10

Vendor Advisories (1)

npmGHSA-3wc5-fcw2-2329medium

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

Mar 25, 2024

References

github.com / KaTeX/KaTeX/commit/fc5af64183a3ceb9be9d1c23a275999a728593de
Patch
github.com / KaTeX/KaTeX/security/advisories/GHSA-3wc5-fcw2-2329
MitigationThird Party Advisory