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CVE-2020-35474

CVE-2020-35474

EPSS 1.0%
In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of MediaWiki:recentchanges-legend-watchlistexpiry can be changed onwiki so that the output is raw HTML.
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/T268894