A vulnerability, which was classified as critical, was found in PHPGurukul Online Notes Sharing System 1.0. This affects an unknown part of the file /Dashboard of the component Cookie Handler. The manipulation of the argument sessionid leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The original researcher disclosure suspects an XPath Injection vulnerability; however, the provided attack payload appears to be characteristic of an SQL Injection attack.