CVE-2026-15596 SourceCodester Class and Exam Timetabling System subject.php cross site scripting
Remote attackers can inject malicious scripts via the subject parameter in subject.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-2026-15596?
CVE-2026-15596 is a medium-severity cross-site scripting vulnerability in SourceCodester Class and Exam Timetabling System, published on 13 Jul 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 vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is an unknown function of the file /subject.php. Such manipulation of the argument subject leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Which versions are affected by CVE-2026-15596?
How do I fix CVE-2026-15596?
No fix has been published for CVE-2026-15596 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-2026-15596 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15596 exists.
Sources
Also known as GHSA-j9mf-m5g4-j3j9.