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CVE-2026-12073— ProfileGrid - User Profiles, Groups and Communities <= 5.9.9.5 - Unauthenticated Privilege Escalation via Email Overwrite

Quick assessment

Affected
metagauss ProfileGrid – User Profiles, Groups and Communities
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.

metagauss ProfileGrid – User Profiles, Groups and Communities是metagauss个人开发者的用户资料、群组及社区管理插件。 ProfileGrid – User Profiles, Groups and Communities 5.9.9.5及之前版本存在授权问题漏洞，该漏洞源于未验证注册表单中的user_login参数，并且未正确处理错误消息，可能导致未经身份验证的攻击者通过账户接管实现权限提升。

CVSS 9.8 · Critical EPSS 0.53% · P43

Affected Version Matrix 1

VendorProduct Version RangeStatus
metagauss ProfileGrid – User Profiles, Groups and Communities ≤ 5.9.9.5 affected
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I. Basic Information for CVE-2026-12073

Vulnerability Information
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Vulnerability Title
ProfileGrid - User Profiles, Groups and Communities <= 5.9.9.5 - Unauthenticated Privilege Escalation via Email Overwrite
Source: CVE Program / CVE List V5
Vulnerability Description
The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 5.9.9.5. This is due to the plugin not validating a `user_login` on registration forms that don't contain this parameter, and not properly handling the error messages. This makes it possible for unauthenticated attackers to change email address of user account with ID=1 (usually an administrator), and leverage that to reset the user's password and gain access to their account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
metagauss ProfileGrid – User Profiles, Groups and Communities plugin for WordPress 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
metagauss ProfileGrid – User Profiles, Groups and Communities是metagauss个人开发者的用户资料、群组及社区管理插件。 ProfileGrid – User Profiles, Groups and Communities 5.9.9.5及之前版本存在授权问题漏洞，该漏洞源于未验证注册表单中的user_login参数，并且未正确处理错误消息，可能导致未经身份验证的攻击者通过账户接管实现权限提升。
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
metagauss ProfileGrid – User Profiles, Groups and Communities 0 ~ 5.9.9.5 -

II. Public POCs for CVE-2026-12073

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III. Intelligence Information for CVE-2026-12073

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Patches & Fixes for CVE-2026-12073 (1)

News Coverage for CVE-2026-12073 (1)

IV. Related Vulnerabilities

Same product: ProfileGrid – User Profiles, Groups and Communities
Same vendor: metagauss
Same weakness: CWE-639

V. Comments for CVE-2026-12073

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