CVE-2019-17670: Debian Linux

Critical severity, CVSS 9.8. EPSS: 4.5% chance of exploitation in the next 30 days.

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows paths are mishandled during certain validation of relative URLs.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• WordPress WordPress: before 5.2.4 (fixed in 5.2.4)

Published 2019-10-17. Last modified 2026-06-17.