Bug 2373832 (CVE-2025-49512)

Summary: CVE-2025-49512 moodle: XSS risk in MathJax (safe extension not loaded)
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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A vulnerability was found in Moodle. An extension was omitted from the MathJax configuration shipped with Moodle during the library upgrade to LMS 5.0. This issue results in a Cross-site scripting (XSS) risk.
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Bug Depends On: 2373853, 2373854    
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Description OSIDB Bzimport 2025-06-19 08:38:05 UTC
An extension was omitted from the MathJax configuration shipped with Moodle when the library was upgraded in LMS 5.0, resulting in an XSS risk.

Versions affected: 5.0
Versions fixed: 5.0.1

https://moodle.org/mod/forum/discuss.php?d=468500
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-85488