CVE-2022-2706 SourceCodester Online Class and Exam Scheduling System class_sched.php sql injection

Medium 6.3 Published 8 Aug 2022 Updated 15 Apr 2025

Remote attackers can exploit SQL injection in class_sched.php to read or modify database contents in the Online Class and Exam Scheduling System.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-2706?

CVE-2022-2706 is a medium-severity SQL injection vulnerability in SourceCodester Online Class and Exam Scheduling System, published on 8 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical has been found in SourceCodester Online Class and Exam Scheduling System 1.0. Affected is an unknown function of the file /pages/class_sched.php. The manipulation of the argument class with the input '||(SELECT 0x684d6b6c WHERE 5993=5993 AND (SELECT 2096 FROM(SELECT COUNT(*),CONCAT(0x717a786b71,(SELECT (ELT(2096=2096,1))),0x717a626271,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a))||' leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-205830 is the identifier assigned to this vulnerability.

Weakness: CWE-89

Which versions are affected by CVE-2022-2706?

It affects 1 product.

Products include Fabian Online Class and Exam Scheduling System.

How do I fix CVE-2022-2706?

No fix has been published for CVE-2022-2706 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-2022-2706 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2706 exists.

Sources

Also known as GHSA-2vv2-3x9r-pwrh.