An issue was discovered in the WatchAnalytics extension in MediaWiki before 1.40.2. XSS can occur via the Special:PageStatistics page parameter.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce%40lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/ | patch release notes |
https://phabricator.wikimedia.org/T348979 | patch vendor advisory exploit |