CVE-2026-58031 — Stored i18n XSS in Special:ApiSandbox when a deprecated module is selected

CVE-2026-58031

Stored i18n XSS in Special:ApiSandbox when a deprecated module is selected PUBLISHED

Description (CNA)

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/ApiSandboxLayout.Js. This issue affects MediaWiki: from 1.46.0-rc.0 before 1.46.0.

Affected (CNA)

Vendor / product	Versions
Wikimedia Foundation / MediaWiki	affected 1.46.0-rc.0 before 1.46.0

CWE

CWE-79

References

https://phabricator.wikimedia.org/T426889

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.