Invision Power Board 2.1.5 and possibly earlier versions suffer from a flaw that could allow for remote code execution.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/45811/Invision2.1.5.txt
Source: https://packetstormsecurity.com/files/45811/Invision2.1.5.txt.html