CVE-2026-58028 – Pretty-printed API output combined with centralauthtoken allows XSS with certain gadgets

CVE ID :CVE-2026-58028

Published : July 1, 2026, 3:15 p.m. | 31 minutes ago

Description :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.

Severity: 0.0 | NONE

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