PT-2025-42803 · Wikimedia Foundation · Languageselector Extension+1

Somerandomdeveloper · Published 2025-10-20 · Updated 2025-10-20 · CVE-2025-62697

Positive Technologies (AI Summary)

CVSS v4.0

8.8

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L

Name of the Vulnerable Software and Affected Versions Wikimedia Foundation Mediawiki - LanguageSelector Extension versions prior to 1.39

Description An improper neutralization of special elements in output used by a downstream component ('Injection') issue exists in the Mediawiki - LanguageSelector Extension. This allows for code injection. The issue affects the LanguageSelector Extension.

Recommendations Update to version 1.39.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2025-62697

Affected Products

Languageselector Extension

Mediawiki

References · 9

• https://osv.dev/vulnerability/UBUNTU-CVE-2025-62697 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-62697 · Security Note
• https://ubuntu.com/security/CVE-2025-62697 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-62697 · Security Note
• https://twitter.com/CveFindCom/status/1980358230921343179 · Twitter Post
• https://gerrit.wikimedia.org/r/q/I338288e756de4e58a3f1f02a9c205b37f4927935 · Note
• https://phabricator.wikimedia.org/T399724 · Note
• https://twitter.com/CVEnew/status/1980357754171576771 · Twitter Post
• https://t.me/CVEtracker/35342 · Telegram Post