CVE-2018-1999024

medium

Published 2018-07-27 · Modified 2023-11-08

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CVSS v3

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CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS v4 NEW

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not yet in upstream

VIR risk

5.5

Description

MathJax version prior to version 2.7.4 contains a Cross Site Scripting (XSS) vulnerability in the \unicode{} macro that can result in Potentially untrusted Javascript running within a web browser. This attack appear to be exploitable via The victim must view a page where untrusted content is processed using Mathjax. This vulnerability appears to have been fixed in 2.7.4 and later.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`2.7.4-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2.7.4+dfsg-1`
sid	Fixed	`2.7.4+dfsg-1`
forky	Fixed	`2.7.4+dfsg-1`
bullseye	Fixed	`2.7.4+dfsg-1`
bookworm	Fixed	`2.7.4+dfsg-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	mathjax	`<2.7.4`	`2.7.4`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.