OneCenter ForumOne 4.0 is a full-featured, web-based group discussion forum.
A problem with Onecenter ForumOne could allow remote users to execute arbitrary code in the context of the web site hosting ForumOne. The problem occurs due to the lack of sanitization performed on data embedded within HTML tags.
This issue may be exploited to steal cookie-based authentication credentials from legitimate users of the website implementing the vulnerable software. The attacker may hijack the session of the legitimate by using cookie-based authentication credentials. Other attacks are also possible.
Altough this vulnerability was reported to affect OneCenter ForumOne version 4.0, previous version may also be affected.