How to fix CVE-2025-12126?

Within 30 days: Identify affected systems running for WordPress is vulnerable to Insecure Direct Object Refere and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Is WordPress affected by CVE-2025-12126?

Organizations using for WordPress is vulnerable to Insecure Direct Object Reference in all should be aware of moderate risk from CVE-2025-12126, a IDOR vulnerability rated CVSS 5.4. Exploitation could compromise the security of affected deployments.

CVE-2025-12126

MEDIUM

2025-11-11 [email protected]

WordPress Authentication Bypass

5.4

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

CVE Published

Nov 11, 2025 - 04:15 nvd

MEDIUM 5.4

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-639. 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.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-12126 vulnerability details – vuln.today

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