CVE-2026-90615 SourceCodester Class and Exam Timetabling System subject1.php cross site scripting
Remote attackers can inject malicious scripts via the subject parameter in subject1.php, potentially compromising user sessions or executing code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-90615?
CVE-2026-90615 is a medium-severity cross-site scripting vulnerability in SourceCodester Class and Exam Timetabling System, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /subject1.php. Such manipulation of the argument subject leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-90615?
How do I fix CVE-2026-90615?
No fix has been published for CVE-2026-90615 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-2026-90615 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90615 exists.
Sources
Also known as GHSA-3fp8-434r-4f6h.