CVE-2021-45474

In MediaWiki through 1.37, the Special:ImportFile URI (aka FileImporter) allows XSS, as demonstrated by the clientUrl parameter.

Date published : 2021-12-23

https://gerrit.wikimedia.org/r/q/Id1c8910aeac5b452fbabeddab70360765518223e

https://phabricator.wikimedia.org/T296605