system
Describe <CVE-2012-5395>.
user
What is <CVE-2012-5395>?
assistant
Session fixation vulnerability in the CentralAuth extension for MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the centralauth_Session cookie..