CVE-2023-3004: Simple Chat System Project Simple Chat System

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, has been found in SourceCodester Simple Chat System 1.0. Affected by this issue is some unknown functionality of the file /ajax.php?action=read_msg of the component POST Parameter Handler. The manipulation of the argument convo_id leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-230348.

Affected products

• Simple Chat System Project Simple Chat System: version 1.0 only

Published 2023-05-31. Last modified 2026-06-17.