Secunia Security Advisory – Janek Vind waraxe has reported a weakness in PHP-Nuke, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43986/sa18936.txt
Source: https://packetstormsecurity.com/files/43986/Secunia-Security-Advisory-18936.html

