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CVE-2020-35478

CVE-2020-35478

EPSS 1.4%
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.
Affected products
n/a · n/a

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References
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.htmlhttps://phabricator.wikimedia.org/T268938