CVE-2025-53484

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Wikimedia Foundation	Mediawiki - SecurePoll extension	>= 1.39.x, < 1.39.13; >= 1.42.x, < 1.42.7; >= 1.43.x, < 1.43.2

References

Timeline

Published: Jul 4, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

Related CVEs from 2025

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