SourceCodester Web-Based Student Clearance System /Admin/add-student.php prepare cross site scripting
A vulnerability was found in SourceCodester Web-Based Student Clearance System. It has been rated as problematic. Affected by this issue is the function prepare
of the file /Admin/add-student.php. The manipulation leads to cross site scripting. Using CWE to declare the problem leads to CWE-79. The weakness was released 10/08/2022. The advisory is shared for download at jianshu.com.
This vulnerability is handled as CVE-2022-3434. The attack may be launched remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The current price for an exploit might be approx. USD $0-$5k at the moment. The MITRE ATT&CK project declares the attack technique as T1059.007.
It is declared as proof-of-concept. The exploit is available at jianshu.com. As 0-day the estimated underground price was around $0-$5k.
A possible mitigation has been published before and not just after the disclosure of the vulnerability.