CVE-2025-53369

8.6 highEPSS 0.3%

High (8.6). EPSS 0.3% chance of exploitation in the next 30 days.

Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.

Severity

CVSS 3.1

8.6 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-07-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bc4fdbaeb1dff127fb6d08c0d385b64aa128c8f8
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-p85q-mww9-gwqf

Check your stack JSON