CVE-2026-39840

6.1 MEDIUM
Published: April 07, 2026 Modified: April 15, 2026
View on NVD

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237966
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Patch
https://phabricator.wikimedia.org/T416368
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Exploit Issue Tracking Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.1 / 10.0
EPSS (Exploit Probability)
0.0%
8th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mediawiki