PRTG Traffic Grapher suffers from a cross site scripting vulnerability in Monitor_Bandwidth. Versions 6.2.2.977 and below are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77920/Bkis-09-2009.txt
Source: https://packetstormsecurity.com/files/77920/PRTG-Traffic-Grapher-Cross-Site-Scripting.html

