by Kastro
Paper/Archive/CVE-2025-53484

CVE-2025-53484

Wikimedia Foundation Mediawiki - SecurePoll extension — SecurePoll: Multiple locations vulnerable to Cross-Site Scripting (XSS) via unescaped input

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 45.5.455 × 209.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Mediawiki - SecurePoll extension1.39.x – < 1.39.131.39.13CNA
Mediawiki - SecurePoll extension1.42.x – < 1.42.71.42.7CNA
Mediawiki - SecurePoll extension1.43.x – < 1.43.21.43.2CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refphabricator.wikimedia.org/T392341refgerrit.wikimedia.org/r/1149669refgerrit.wikimedia.org/r/1149655