Dashboard / CVE-2026-0671

CVE-2026-0671

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 62/100
Published: 2026-01-08 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Changed
C: Low
I: Low
A: None

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.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
wikimedia mediawiki-extensions-uploadwizard 1.39
wikimedia mediawiki-extensions-uploadwizard 1.43
wikimedia mediawiki-extensions-uploadwizard 1.44
wikimedia mediawiki-extensions-uploadwizard 1.45

References & Advisories (2)

https://phabricator.wikimedia.org/T407157
Exploit Issue Tracking Vendor Advisory

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.24%
Raw Score 0.002410
Percentile 15.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00241
2026-10-28
0.00241

Intelligence Sources

nvd ref →

External Links