CVE-2023-3374 CRITICAL

CVE-2023-3374: Privilege Escalation in Bookreen

Vendor Unisign
Product Bookreen
Weakness CWE-184
Published September 5, 2023
Last update May 22, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

September 5, 2023 CVE published
May 22, 2026 Record updated