CVE-2026-4909 code-projects Exam Form Submission update_s7.php cross site scripting
Remote attackers can inject malicious scripts via the sname parameter in the admin update page, potentially compromising user sessions or executing code.
- 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-2026-4909?
CVE-2026-4909 is a medium-severity cross-site scripting vulnerability in code-projects Exam Form Submission, published on 27 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 weakness has been identified in code-projects Exam Form Submission 1.0. This impacts an unknown function of the file /admin/update_s7.php. This manipulation of the argument sname causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-4909?
How do I fix CVE-2026-4909?
No fix has been published for CVE-2026-4909 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-2026-4909 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4909 exists.
Sources
Also known as GHSA-pvv2-hpmf-pmxf.