Secunia Security Advisory – Thomas Pollet has discovered two vulnerabilities in OpenCart, which can be exploited by malicious people to conduct cross-site scripting and script insertion attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/67845/sa30177.txt
Source: https://packetstormsecurity.com/files/67845/Secunia-Security-Advisory-30177.html

