CVE-2026-5671 Cyber-III Student-Management-System Class Schedule Deletion Endpoint delete_batch.php cross site scripting
Remote attackers can inject malicious scripts via the batch argument in the class schedule deletion endpoint, potentially compromising user sessions.
- 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-2026-5671?
CVE-2026-5671 is a medium-severity cross-site scripting vulnerability in Cyber-III Student-Management-System, published on 6 Apr 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 determined in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Impacted is an unknown function of the file /admin/class%20schedule/delete_batch.php of the component Class Schedule Deletion Endpoint. Executing a manipulation of the argument batch can lead to cross site scripting. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-5671?
How do I fix CVE-2026-5671?
No fix has been published for CVE-2026-5671 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-2026-5671 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5671 exists.
Sources
Also known as GHSA-wx99-4rxc-gxhv.