CVE-2019-12471

Name of the Vulnerable Software and Affected Versions MediaWiki versions 1.30.0 through 1.32.1

Description The issue is related to the possibility of loading user JavaScript from a non-existent account, which allows anyone to create the account and perform cross-site scripting (XSS) on users loading that script. This can be exploited by a remote attacker to compromise data integrity.

Recommendations For MediaWiki versions 1.30.0 through 1.32.1, update to version 1.32.2, 1.31.2, 1.30.2, or 1.27.6 to resolve the issue.