CVE-2023-3374: Bookreen

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation. This issue affects Bookreen: before 3.0.0.

Affected products

• Bookreen Bookreen: before 3.0.0 (fixed in 3.0.0)

Published 2023-09-05. Last modified 2026-06-17.