CVE-2026-4781 SourceCodester Sales and Inventory System HTTP GET Parameter update_purchase.php sql injection

Medium 5.3 Published 24 Mar 2026 Updated 25 Mar 2026

Remote attackers can exploit SQL injection in the update_purchase.php script to read or modify database records.

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-2026-4781?

CVE-2026-4781 is a medium-severity SQL injection vulnerability in SourceCodester Sales and Inventory System, published on 24 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw has been found in SourceCodester Sales and Inventory System 1.0. The affected element is an unknown function of the file update_purchase.php of the component HTTP GET Parameter Handler. Executing a manipulation of the argument sid can lead to sql injection. The attack may be performed from remote. The exploit has been published and may be used.

Weakness: CWE-89, CWE-74

Which versions are affected by CVE-2026-4781?

It affects 1 product.

Products include Ahsanriaz26gmailcom Sales and Inventory System.

How do I fix CVE-2026-4781?

No fix has been published for CVE-2026-4781 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-2026-4781 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4781 exists.

Sources

Also known as GHSA-923r-23pf-6337.