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CVE-2026-12158— RegistrationMagic <= 6.0.9.1 - Cross-Site Request Forgery to Privilege Escalation via 'rmc_assign_user_role_action' Parameter

Quick assessment

Affected
metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
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 registrationmagic是metagauss个人开发者开源的一个用户注册管理插件。 Metagauss RegistrationMagic 6.0.9.1及之前版本存在跨站请求伪造漏洞，该漏洞源于对process_request函数缺少或错误的随机数检查，可能导致未经身份验证的攻击者通过伪造请求创建恶意Chronos自动化任务，利用WordPress cron执行，从而将任意表单提交者的权限提升为管理员。

CVSS 8.8 · High EPSS 0.32% · P22

Possible ATT&CK Techniques 1 AI

T1098.004 · SSH Authorized Keys

Affected Version Matrix 1

VendorProduct Version RangeStatus
metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login ≤ 6.0.9.1 affected
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I. Basic Information for CVE-2026-12158

Vulnerability Information
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Vulnerability Title
RegistrationMagic <= 6.0.9.1 - Cross-Site Request Forgery to Privilege Escalation via 'rmc_assign_user_role_action' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Metagauss RegistrationMagic 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
metagauss registrationmagic是metagauss个人开发者开源的一个用户注册管理插件。 Metagauss RegistrationMagic 6.0.9.1及之前版本存在跨站请求伪造漏洞，该漏洞源于对process_request函数缺少或错误的随机数检查，可能导致未经身份验证的攻击者通过伪造请求创建恶意Chronos自动化任务，利用WordPress cron执行，从而将任意表单提交者的权限提升为管理员。
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 RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login 0 ~ 6.0.9.1 -

II. Public POCs for CVE-2026-12158

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III. Intelligence Information for CVE-2026-12158

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Patches & Fixes for CVE-2026-12158 (1)

News Coverage for CVE-2026-12158 (1)

Vendor Pages for CVE-2026-12158 (2)

Other References for CVE-2026-12158 (1)

IV. Related Vulnerabilities

Same product: RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
Same vendor: metagauss
Same weakness: CWE-352

V. Comments for CVE-2026-12158

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