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VULNERABILITIES

CVE-2026-0671 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:6.1 MEDIUMVector: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

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URLSource(s)Tag(s)
https://gerrit.wikimedia.org/r/q/I16de2211594ea9a686868ad7789f9879bf981fa1 wikimedia-foundationPatch
https://phabricator.wikimedia.org/T407157 wikimedia-foundationExploitIssue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')wikimedia-foundation

Affected Products

ProductVersions
wikimedia mediawiki-extensions-uploadwizard
1.39
1.43
1.44
1.45

CPE

  • cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.39:*:*:*:*:*:*:*
  • cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.43:*:*:*:*:*:*:*
  • cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.44:*:*:*:*:*:*:*
  • cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.45:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-0671
NVD Published Date:
Jan 8, 2026
NVD Last Modified:
Jun 17, 2026
Source:
wikimedia-foundation
CVE-2026-0671 Details - Not Deferred