CVE-2026-39841

MEDIUM

6.1

Description

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

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published4/7/2026

Last Modified4/15/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mediawiki:cargo

Weaknesses (CWE)

CWE-80CWE-79

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237973(c4f26cc8-17ff-4c99-b5e2-38fc1793eacc)

https://phabricator.wikimedia.org/T416389(c4f26cc8-17ff-4c99-b5e2-38fc1793eacc)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.