What is CVE-2019-20896?

CVE-2019-20896 is a critical-severity vulnerability in Webchess Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2020-07-07.

How severe is CVE-2019-20896?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Webchess Project

CVE-2019-20896

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

Vulnerability class: SQL Injection

Published 2020-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Webchess Project — versions 1.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

sourceforge.net/p/webchess/bugs/81/ (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-20896?: CVE-2019-20896 is a critical-severity vulnerability in Webchess Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2020-07-07.
How severe is CVE-2019-20896?: Critical severity. CVSS v3 base score is 9.8 out of 10.