CVE-2026-4356 itsourcecode University Management System add_result.php cross site scripting
Remote attackers can inject malicious scripts via the vr parameter in add_result.php, potentially compromising user sessions and data.
- 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-2026-4356?
CVE-2026-4356 is a medium-severity cross-site scripting vulnerability in itsourcecode University Management System, published on 18 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 itsourcecode University Management System 1.0. Affected is an unknown function of the file /add_result.php. Executing a manipulation of the argument vr can lead to cross site scripting. The attack may be launched remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-4356?
How do I fix CVE-2026-4356?
No fix has been published for CVE-2026-4356 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-2026-4356 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4356 exists.
Sources
Also known as GHSA-9wx2-2pgr-5hg8.