CVE-2026-39837

Stored XSS through the dynamic table format in Cargo

State: Published
Severity: 6.3 Medium
Published: Apr 7, 2026
Updated: Apr 7, 2026
Reserved: Apr 7, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N	wikimedia-foundation

Weaknesses

CWE-80 Improper neutralization of Script-Related HTML tags in a web page (basic XSS)

Affected Products

Product	Versions
Mediawiki - Cargo ExtensionWikimedia Foundation	before 3.8.7Affected

References

https://phabricator.wikimedia.org/T416402
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237979

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