The Total Book Project <= 1.0 - Insecure Direct Object Reference to Authenticated (Contributor+) Book Manipulation

Authorization Bypass Through User-Controlled Key
CVE CVE-2025-12126
CVSS Medium (5.4)
Publicly Published November 10, 2025
Last Updated November 13, 2025
Researcher Athiwat Tiprasaharn (Jitlada)
Description

The The Total Book Project plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.0 via several functions due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Contributor-level access and above, to perform several actions like moving/deleting/creating chapters in books that do not belong to them.

References

1 affected software package

Software Type Plugin
Software Slug the-total-book-project (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 1.0
Patched Version
  • 1.1
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