CVE-2026-16485 SourceCodester Class and Exam Timetabling System class.php cross site scripting
Remote attackers can inject malicious scripts via the day argument in class.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-2026-16485?
CVE-2026-16485 is a medium-severity cross-site scripting vulnerability in SourceCodester Class and Exam Timetabling System, published on 21 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 has been found in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /class.php. Such manipulation of the argument day leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-16485?
How do I fix CVE-2026-16485?
No fix has been published for CVE-2026-16485 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-2026-16485 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16485 exists.
Sources
Also known as GHSA-r3rv-3hg4-3f4w.