CVE-2022-3434 SourceCodester Web-Based Student Clearance System add-student.php prepare cross site scripting

Low 3.5 Published 8 Oct 2022 Updated 15 Apr 2025

Remote attackers can inject malicious scripts via the add-student.php file, potentially compromising user sessions or executing code in the browser.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-3434?

CVE-2022-3434 is a low-severity cross-site scripting vulnerability in SourceCodester Web-Based Student Clearance System, published on 8 Oct 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

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. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-210356.

Weakness: CWE-79, CWE-707

Which versions are affected by CVE-2022-3434?

It affects 1 product.

Products include Web-Based Student Clearance System Project Web-Based Student Clearance System.

How do I fix CVE-2022-3434?

No fix has been published for CVE-2022-3434 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-3434 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3434 exists.

Sources

Also known as GHSA-56j6-q5mc-3pf2.