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CVE-2026-29204

CVSS 9.1 · Critical EPSS 0.04% · P13

Possible ATT&CK Techniques 1AI

T1136.001 · Local Account

Affected Version Matrix 3

VendorProductVersion RangeStatus
WebProsWHMCS7.4.0≤ 18.12.2affected
18.13.0< 18.13.3affected
9.0.0< 9.0.4affected
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I. Basic Information for CVE-2026-29204

Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
WebPros WHMCS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebPros WHMCS是瑞士WebPros公司的一个面向主机托管与域名服务商的客户管理与自动计费平台。 WebPros WHMCS存在安全漏洞,该漏洞源于clientarea.php中所有权检查不足,可能导致经过身份验证的客户端用户提交使用其他用户addonId的请求,导致未授权访问受害者账户。
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

VendorProductAffected VersionsCPESubscribe
WebProsWHMCS 7.4.0 ~ 18.12.2 -

II. Public POCs for CVE-2026-29204

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III. Intelligence Information for CVE-2026-29204

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IV. Related Vulnerabilities

V. Comments for CVE-2026-29204

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