CVE-2021-45472

mediawiki: XSS in Wikibase using formatter URL

Published Dec 24, 2021 CVSS 3.1 · 6.1 Medium EPSS 1.0% KEV · Not listed
Description
In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution marker, and the javascript: URL scheme (among others) can be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-32238 In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution marker, and the javascript: URL scheme (among others) can be used.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 4:39 AM
Reserved
Dec 24, 2021, 12:00 AM
Status
Modified
Published
Dec 24, 2021, 2:15 AM
Modified
Jun 17, 2026, 4:13 AM
Severity
Moderate
Public date
Dec 17, 2021, 12:00 AM