CVE-2026-0671

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.

PUBLISHED Reserved 2026-01-07 | Published 2026-01-08 | Updated 2026-01-08 | Assigner wikimedia-foundation

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Credits

A_smart_kitten finder

References

phabricator.wikimedia.org/T407157

gerrit.wikimedia.org/...2211594ea9a686868ad7789f9879bf981fa1

cve.org (CVE-2026-0671)

nvd.nist.gov (CVE-2026-0671)

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