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CVE-2026-3477— PZ Frontend Manager <= 1.0.6 - Missing Authorization to Arbitrary User Deletion via 'dataType' Parameter

Quick assessment

Affected
projectzealous01 PZ Frontend Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin PZ Frontend Manager 1.0.6及之前版本存在安全漏洞，该漏洞源于缺少授权检查，可能导致经过身份验证的攻击者通过向AJAX端点发送特制请求删除任意WordPress用户。

CVSS 5.3 · Medium EPSS 0.42% · P34
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I. Basic Information for CVE-2026-3477

Vulnerability Information
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Vulnerability Title
PZ Frontend Manager <= 1.0.6 - Missing Authorization to Arbitrary User Deletion via 'dataType' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin PZ Frontend Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin PZ Frontend Manager 1.0.6及之前版本存在安全漏洞，该漏洞源于缺少授权检查，可能导致经过身份验证的攻击者通过向AJAX端点发送特制请求删除任意WordPress用户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
projectzealous01 PZ Frontend Manager 0 ~ 1.0.6 -

II. Public POCs for CVE-2026-3477

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III. Intelligence Information for CVE-2026-3477

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IV. Related Vulnerabilities

Same product: PZ Frontend Manager
Same weakness: CWE-862

V. Comments for CVE-2026-3477

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