Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-107252MathJax: LaTeX for Drupal - Critical - Cross site scripting - SA-CONTRIB-2026-195
Medium 5.4
In plain English
A medium-severity cross-site scripting in MathJax: LaTeX for Drupal from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 95.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal MathJax: LaTeX for Drupal allows Cross-Site Scripting (XSS). This issue affects MathJax: LaTeX for Drupal versions: from 0.0.0 to 4.1.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/mathjax | 4.1.2 | DRUPAL-CONTRIB-2026-195 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | MathJax: LaTeX for Drupal | 0.0.0 – before 4.1.2 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N