CVE-2026-58028noneCWE-79

CVE-2026-58028: vulnerability in Wikimedia Foundation CentralAuth

Pretty-printed API output combined with centralauthtoken allows XSS with certain gadgets

Published

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 0epss 0.3%
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth. This vulnerability is associated with program files includes/Api/ApiFormatBase.Php, includes/Api/ApiHelp.Php, includes/ResourceLoader/Module.Php, includes/Hooks/Handlers/PageDisplayHookHandler.Php, includes/LogFormatter/PermissionChangeLogFormatter.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9; CentralAuth: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
Wikimedia Foundation · CentralAuthWikimedia Foundation · MediaWiki
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