Joomla! Core is prone to a session fixation vulnerability. An attacker may leverage this issue to hijack an arbitrary session and gain access to sensitive information, which may help in launching further attacks. Joomla! Core versions 1.5.x ranging from 1.5.0 and up to and including 1.5.15 are vulnerable.
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Link | Tags |
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https://developer.joomla.org/security-centre/309-20100423-core-sessation-fixation.html | vendor advisory |
https://www.acunetix.com/vulnerabilities/web/joomla-core-1-5-x-session-fixation-1-5-0-1-5-15/ | third party advisory |