PZ Frontend Manager <= 1.0.6 - Missing Authorization to Arbitrary User Deletion via 'dataType' Parameter

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Summary

CVECVE-2026-3477
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-08 07:16:21 UTC
Updated2026-04-08 21:26:35 UTC
DescriptionThe PZ Frontend Manager plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 1.0.6. The pzfm_user_request_action_callback() function, registered via the wp_ajax_pzfm_user_request_action action hook, lacks both capability checks and nonce verification. This function handles user activation, deactivation, and deletion operations. When the 'dataType' parameter is set to 'delete', the function calls wp_delete_user() on all provided user IDs without verifying that the current user has the appropriate permissions. Notably, the similar pzfm_remove_item_callback() function does check pzfm_can_delete_user() before performing deletions, indicating this was an oversight. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary WordPress users (including administrators) by sending a crafted request to the AJAX endpoint.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

EPSS: 0.000310000 probability, percentile 0.088620000 (date 2026-04-14)

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Projectzealous01 PZ Frontend Manager affected 1.0.6 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/90d8e345-b549-493b-a84b-abe56... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/pz-frontend-manager/trunk/admin/includes/ajax-hooks.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pz-frontend-manager/tags/1.0.6/admin/includes/ajax-ho... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pz-frontend-manager/trunk/admin/includes/ajax-hooks.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pz-frontend-manager/tags/1.0.6/admin/includes/ajax-ho... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pz-frontend-manager/tags/1.0.6/admin/includes/ajax-ho... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/pz-frontend-manager/trunk/admin/includes/ajax-hooks.php [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: Youcef Hamdani (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-07T17:39:02.000ZDisclosed
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