CVE-2019-20896: Webchess Project Webchess

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

WebChess 1.0 allows SQL injection via the messageFrom, gameID, opponent, messageID, or to parameter.

Affected products

• Webchess Project Webchess: version 1.0 only

Published 2020-07-07. Last modified 2026-06-17.