Cross Site Scripting (XSS) vulnerability in Gnuboard g6 before Github commit 58c737a263ac0c523592fd87ff71b9e3c07d7cf5, allows remote attackers execute arbitrary code via the wr_content parameter.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.