CVE-2023-22959: Webchess Project Webchess

High severity, CVSS 8.8. EPSS: 13.7% chance of exploitation in the next 30 days.

WebChess through 0.9.0 and 1.0.0.rc2 allows SQL injection: mainmenu.php, chess.php, and opponentspassword.php (txtFirstName, txtLastName).

Affected products

• Webchess Project Webchess: up to and including 0.9.0; version 1.0.0 only

Published 2023-01-11. Last modified 2026-06-17.