CVE-2026-3261 itsourcecode School Management System Setting index.php sql injection

Medium 6.9 Published 26 Feb 2026 Updated 27 Feb 2026

Remote attackers can exploit SQL injection in the School Management System settings handler to read or modify database contents.

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-2026-3261?

CVE-2026-3261 is a medium-severity SQL injection vulnerability in itsourcecode School Management System, published on 26 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw has been found in itsourcecode School Management System 1.0. This impacts an unknown function of the file /settings/index.php of the component Setting Handler. This manipulation of the argument ID causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.

Weakness: CWE-89, CWE-74

Which versions are affected by CVE-2026-3261?

It affects 1 product.

Products include Itsourcecode School Management System.

How do I fix CVE-2026-3261?

No fix has been published for CVE-2026-3261 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-2026-3261 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3261 exists.

Sources

Also known as GHSA-6h58-g32m-9g69.