CVE-2025-53484CRITICAL 9.8EPSS p36.2%

CVE-2025-53484CVE-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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.46% probability of exploitation · percentile 36.2% · 2026-06-18T12:00:27Z
Published2025-07-04
Last modified2026-04-15

Underlying weaknesses· 1

CWE-79

References

  1. https://gerrit.wikimedia.org/r/1149655
  2. https://gerrit.wikimedia.org/r/1149669
  3. https://phabricator.wikimedia.org/T392341

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.