PT-2026-31011 · Wikiworks+1 · Mediawiki Cargo Extension

Somerandomdeveloper · Published 2026-04-07 · Updated 2026-04-07 · CVE-2026-39837

Mitre

CVSS v4.0

6.3

Medium

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

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in WikiWorks Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Fix

XSS

Weakness Enumeration

CWE-80

Related Identifiers

CVE-2026-39837

Affected Products

Mediawiki Cargo Extension

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-39837 · Security Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237979 · Note
• https://phabricator.wikimedia.org/T416402 · Note