CVE-2025-12126

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.

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2025-11-11

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3392629%40the-total-book-project&new=3392629%40the-total-book-project
• https://wordpress.org/plugins/the-total-book-project/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e1b473fd-2444-4a54-b558-4656634a6903?source=cve

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