An issue in youdiancms v.9.5.20 and before allows a remote attacker to escalate privileges via the sessionID parameter in the index.php file.
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://gist.github.com/yahaha9/720fb45bbebda62dc198568c8d275df8 | third party advisory |