CVE-2026-0671

6.1 MEDIUM
Published: January 08, 2026 Modified: January 15, 2026
View on NVD

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - UploadWizard extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - UploadWizard extension: 1.45, 1.44, 1.43, 1.39.

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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/q/I16de2211594ea9a686868ad7789f9879bf981fa1
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Patch
https://phabricator.wikimedia.org/T407157
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%
15th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

wikimedia