CVE-2025-6594

Publication date 2 February 2026

Last updated 4 February 2026

Ubuntu priority

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Special.Apisandbox/ApiSandbox.Js. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
mediawiki	25.10 questing	Needs evaluation
	25.04 plucky	Ignored end of life, was needs-triage
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Needs evaluation
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation

How can I get the fixes?
What do statuses mean?

References

MITRE
NVD
Launchpad
Debian

Other references

https://www.cve.org/CVERecord?id=CVE-2025-6594
https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/TT45WDZ7MDTXXBEFLBMLAJI532O2PN2U/
https://phabricator.wikimedia.org/T395063
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165115 (master)
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165087 (REL1_39)