Add Custom Fields to Media <= 2.0.3 - Cross-Site Request Forgery to Custom Field Deletion via 'delete' Parameter

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Summary

CVECVE-2026-4068
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-19 07:16:00 UTC
Updated2026-04-22 21:32:08 UTC
DescriptionThe Add Custom Fields to Media plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.3. This is due to missing nonce validation on the field deletion functionality in the admin display template. The plugin properly validates a nonce for the 'add field' operation (line 24-36), but the 'delete field' operation (lines 38-49) processes the $_GET['delete'] parameter and calls update_option() without any nonce verification. This makes it possible for unauthenticated attackers to delete arbitrary custom media fields via a forged request, granted they can trick a site administrator into performing an action such as clicking on a link.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.000170000 probability, percentile 0.042540000 (date 2026-04-22)

Problem Types: CWE-352 | CWE-352 CWE-352 Cross-Site Request Forgery (CSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pattihis Add Custom Fields To Media affected 2.0.3 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/259a4950-9377-4d18-86ad-aadd9... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/add-custom-fields-to-media/tags/2.0.3/admin/partials/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/add-custom-fields-to-media/trunk/admin/partials/add-c... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/add-custom-fields-to-media/tags/2.0.3/admin/partials/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/add-custom-fields-to-media/trunk/admin/partials/add-c... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Nabil Irawan (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-12T23:04:36.000ZVendor Notified
CNA2026-03-18T18:16:21.000ZDisclosed
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