PT-2025-42859 · Mediawiki+1 · Mediawiki+1

Somerandomdeveloper · Published 2025-10-21 · Updated 2025-10-21 · CVE-2025-62695

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mediawiki - WikiLambda Extension versions prior to master.

Description A flaw exists in the Mediawiki - WikiLambda Extension related to improper input neutralization during web page generation, leading to a Stored Cross-site Scripting (XSS) condition. This allows for the injection of malicious scripts into web pages. The vulnerability affects the master branch of the extension.

Recommendations Update to a version of Mediawiki - WikiLambda Extension later than master.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-62695

Affected Products

Mediawiki

Wikilambda Extension

References · 9

• 🔥 https://phabricator.wikimedia.org/T400500 · Exploit
• https://ubuntu.com/security/CVE-2025-62695 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-62695 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-62695 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-62695 · Vendor Advisory
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1173952 · Note
• https://t.me/CVEtracker/35376 · Telegram Post
• https://t.me/cveNotify/139601 · Telegram Post
• https://twitter.com/CVEnew/status/1980495167703666758 · Twitter Post