CVE-2026-5813 PHPGurukul Online Course Registration check_availability.php sql injection
Remote attackers can exploit SQL injection in check_availability.php to read or modify database contents via the cid parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5813?
CVE-2026-5813 is a medium-severity SQL injection vulnerability in PHPGurukul Online Course Registration, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in PHPGurukul Online Course Registration 3.1. This vulnerability affects unknown code of the file /check_availability.php. Executing a manipulation of the argument cid can lead to sql injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-5813?
How do I fix CVE-2026-5813?
No fix has been published for CVE-2026-5813 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-5813 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5813 exists.
Sources
Also known as GHSA-5234-75g6-h6rq.