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CVE-2020-35479

CVE-2020-35479

EPSS 1.5%
MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always unsafe for HTML in a month value. This affects MediaWiki 1.12.0 and later.
Productos afectados
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Referencias
https://lists.debian.org/debian-lts-announce/2020/12/msg00034.htmlhttps://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/T268938https://www.debian.org/security/2020/dsa-4816