Secunia Security Advisory – Some vulnerabilities have been reported in Serendipity, which can be exploited by malicious people to bypass certain security restrictions and conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/37668/sa15405.txt
Source: https://packetstormsecurity.com/files/37668/Secunia-Security-Advisory-15405.html