Cacti provides an operational monitoring and fault management framework. A reflected cross-site scripting vulnerability on the 1.3.x DEV branch allows attackers to obtain cookies of administrator and other users and fake their login using obtained cookies. This issue is fixed in commit a38b9046e9772612fda847b46308f9391a49891e.
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.