CVE-2026-5106 code-projects Exam Form Submission update_fst.php cross site scripting

Medium 4.8 Published 30 Mar 2026 Updated 30 Mar 2026

Remote attackers can inject malicious scripts via the sname parameter in the admin update form, potentially compromising user sessions.

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

What is CVE-2026-5106?

CVE-2026-5106 is a medium-severity cross-site scripting vulnerability in code-projects Exam Form Submission, published on 30 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A flaw has been found in code-projects Exam Form Submission 1.0. The impacted element is an unknown function of the file /admin/update_fst.php. Executing a manipulation of the argument sname can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been published and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-5106?

It affects 1 product.

Products include Code-Projects Exam Form Submission.

How do I fix CVE-2026-5106?

No fix has been published for CVE-2026-5106 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-2026-5106 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5106 exists.

Sources

Also known as GHSA-jc9w-4gwg-hjf5.