Critical severity9.8NVD Advisory· Published Jul 4, 2025· Updated Apr 15, 2026

CVE-2025-53484

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.

LLM-synthesized narrative grounded in this CVE's description and references.

Wikimedia Foundation/Mediawiki Extensions Securepollinferred
Range: >=1.39.0,<1.39.13,>=1.42.0,<1.42.7,>=1.43.0,<1.43.2
MediaWiki/SecurePollllm-create
Range: >=1.39.0 <1.39.13, >=1.42.0 <1.42.7, >=1.43.0 <1.43.2

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