Description
The CentralAuth extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to obtain usernames via vectors related to writing the names to the DOM of a page.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Wikimedia Foundation MediaWiki
before 1.19.10affected1.2x before 1.21.4affected1.22.x before 1.22.1affected