CVE-2025-62697

Improperly sanitized style parameter in LanguageSelector

Published Oct 20, 2025 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in The Wikimedia Foundation Mediawiki - LanguageSelector Extension allows Code Injection.This issue affects Mediawiki - LanguageSelector Extension: from master before 1.39.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Wikimedia
Wikimedia languageselector
Vendors & Products Mediawiki
Mediawiki mediawiki
Wikimedia
Wikimedia languageselector
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in The Wikimedia Foundation Mediawiki - LanguageSelector Extension allows Code Injection.This issue affects Mediawiki - LanguageSelector Extension: from master before 1.39.
Title Improperly sanitized style parameter in LanguageSelector
Weaknesses CWE-74
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wikimedia-foundation
Published
Updated
Oct 20, 2025, 7:38 PM
Reserved
Oct 20, 2025, 5:42 PM
Status
Deferred
Published
Oct 20, 2025, 8:15 PM
Modified
Oct 8, 2026, 10:10 PM