CVE-2025-62697 HIGH

CVE-2025-62697: Improperly sanitized style parameter in LanguageSelector

Vendor The Wikimedia Foundation
Product Mediawiki - LanguageSelector Extension
Weakness CWE-74
Published October 20, 2025
Last update October 20, 2025
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 20, 2025 CVE published
October 20, 2025 Record updated