Insecure Direct Object Reference in Custom Field Template Plugin for WordPress
CVE-2026-12995

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Custom Field Template
Vendor
CVE Published:
22 September 2026

What is CVE-2026-12995?

The Custom Field Template plugin for WordPress allows authenticated users with contributor-level access and above to exploit an Insecure Direct Object Reference. This vulnerability stemmed from a lack of validation on a user-controlled key during the edit_meta_value function, enabling attackers to delete arbitrary media attachments across the site. The default configuration of file fields, where the mediaRemove option is not enabled, facilitates this exploitation. To mitigate the risk, site administrators are advised to ensure proper validation measures are implemented and the plugin is updated to a secure version.

Affected Version(s)

Custom Field Template 0 <= 2.7.8

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/custom-field-t...
https://plugins.trac.wordpress.org/browser/custom-field-t...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dmitrii Ignatyev
.