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Description

Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. From versions 1.9.4 to before 3.4.0, short descriptions set via the ShortDescription extension are inserted as raw HTML by the Citizen skin, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 3.4.0.

PUBLISHED Reserved 2025-06-27 | Published 2025-07-03 | Updated 2025-07-07 | Assigner GitHub_M




HIGH: 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

>= 65a7ffd927467c8c3557146d1ac6de62b0369b6c, < c85a40bddc8651fff66df83a72debddcb34f0521
affected

>= 1.9.4, < 3.4.0
affected

References

github.com/...itizen/security/advisories/GHSA-prmv-7r8c-794g

github.com/...ommit/c85a40bddc8651fff66df83a72debddcb34f0521

github.com/...ls/mediawiki-skins-Citizen/releases/tag/v3.4.0

cve.org (CVE-2025-53370)

nvd.nist.gov (CVE-2025-53370)

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