CVE-2021-41974: Tad BOOK3 Project Tad BOOK3

Critical severity, CVSS 9.1. EPSS: 1.3% chance of exploitation in the next 30 days.

Tad Book3 editing book page does not perform identity verification. Remote attackers can use the vulnerability to view and modify arbitrary content of books without permission.

Affected products

• Tad BOOK3 Project Tad BOOK3: before 3.9 (fixed in 3.9)

Published 2021-10-08. Last modified 2026-06-17.