CVE-2023-33756: Foswiki

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue in the SpreadSheetPlugin component of Foswiki v2.1.7 and below allows attackers to execute a directory traversal.

Affected products

• Foswiki Foswiki: from 1.0.0, up to and including 2.1.7

Published 2023-08-08. Last modified 2026-06-17.