CVE-2025-62654

Stored XSS through system messages in QuizGame

Published Oct 17, 2025 CVSS 4.0 · 2 Low EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki QuizGame extension allows Stored XSS.This issue affects MediaWiki QuizGame extension: 1.39, 1.43, 1.44.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Vendors & Products Mediawiki
Mediawiki mediawiki
Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki QuizGame extension allows Stored XSS.This issue affects MediaWiki QuizGame extension: 1.39, 1.43, 1.44.
Title Stored XSS through system messages in QuizGame
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wikimedia-foundation
Published
Updated
Oct 20, 2025, 3:17 PM
Reserved
Oct 17, 2025, 10:01 PM
Status
Deferred
Published
Oct 17, 2025, 11:15 PM
Modified
Oct 8, 2026, 10:10 PM