TP Restore Categories And Taxonomies <= 1.0.1 - Missing Authorization to Authenticated (Subscriber+) Taxonomy Deletion via 'tpmcattt_delete_term' AJAX Action

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Summary

CVECVE-2026-4128
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-22 09:16:23 UTC
Updated2026-04-22 09:16:23 UTC
DescriptionThe TP Restore Categories And Taxonomies plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.0.1. The delete_term() function, which handles the 'tpmcattt_delete_term' AJAX action, does not perform any capability check (e.g., current_user_can()) to verify the user has sufficient permissions. While it does verify a nonce via check_ajax_referer(), this nonce is generated for all authenticated users via the admin_enqueue_scripts hook and exposed on any wp-admin page (including profile.php, which subscribers can access). This makes it possible for authenticated attackers, with Subscriber-level access and above, to permanently delete taxonomy term records from the plugin's trash/backup tables by sending a crafted AJAX request with a valid nonce and an arbitrary term_id.

Risk And Classification

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

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

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Tplugins TP Restore Categories And Taxonomies affected 1.0.1 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/tp-restore-categories-and-taxonomies/trunk/admin/clas... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/53a0749f-86e9-4f62-9de2-a6759... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/tp-restore-categories-and-taxonomies/trunk/includes/c... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/tp-restore-categories-and-taxonomies/tags/1.0.1/admin... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/tp-restore-categories-and-taxonomies/tags/1.0.1/inclu... [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
CNA2026-04-21T19:08:29.000ZDisclosed
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