An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and launch other attacks.
Exploit/Poc:
An attacker can exploit the issue by enticing an unsuspecting user to visit a specially crafted URL.
The following example URI is available:
http://www.example.com/gramophone/index.php?rs=%3Cscript%3Ealert%281%29%3C/script%3E
