Vulnerability CVE-2021-42046
Published: 2022-09-29

Description:
An issue was discovered in the GlobalWatchlist extension in MediaWiki through 1.36.2. The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.

 References:
https://gerrit.wikimedia.org/r/q/Ib7f9b009730fe0df283cec1169f84c7a83a58b1d
https://phabricator.wikimedia.org/T286385
https://www.cve.org/CVERecord?id=CVE-2021-42046
https://gerrit.wikimedia.org/r/q/Id2204fb5afe591d63764466de35ac0aaa5999983
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