CVE-2025-53484criticalCWE-79

CVE-2025-53484: critical vulnerability in Wikimedia Foundation Mediawiki - SecurePoll…

SecurePoll: Multiple locations vulnerable to Cross-Site Scripting (XSS) via unescaped input

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28Vexday Risk Score

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

ssvc Trackcvss 9.8epss 0.5%
User-controlled inputs are improperly escaped in: * VotePage.php (poll option input) * ResultPage::getPagesTab() and getErrorsTab() (user-controllable page names) This allows attackers to inject JavaScript and compromise user sessions under certain conditions. This issue affects Mediawiki - SecurePoll extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Wikimedia Foundation · Mediawiki - SecurePoll extension
Related CVEs — Wikimedia Foundation Mediawiki - SecurePoll…

In the same product, most dangerous first.

CVE-2025-53485HIGHSecurePoll: Unauthorized access to SetTranslationHandler allows arbitrary text changesEPSS 0.3%CVE-2025-53483HIGHSecurePoll: Multiple admin actions vulnerable to Cross-Site Request ForgeryEPSS 0.2%