CVE-2020-35478

mediawiki: potential XSS via MediaWiki:blanknamespace outputting Block Logs

Published Dec 18, 2020 CVSS 3.1 · 6.1 Medium EPSS 1.4% KEV · Not listed
Description
MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw HTML with SCRIPT tags via LogFormatter::makePageLink(). This affects MediaWiki 1.33.0 and later.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-23149 MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw HTML with SCRIPT tags via LogFormatter::makePageLink(). This affects MediaWiki 1.33.0 and later.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 5:02 PM
Reserved
Dec 16, 2020, 12:00 AM
Status
Modified
Published
Dec 18, 2020, 8:15 AM
Modified
Jun 17, 2026, 3:13 AM
Severity
Moderate
Public date
Dec 18, 2020, 12:00 AM