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    CVE-2026-29204

    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.

    Published:May 12, 2026
    Last Modified:May 13, 2026
    EPS:May 12, 2026
    EPSS Score:
    CVSS Score:9.1

    Affected Products

    Vendor
    Webpros
    Product
    Whmcs

    Exploits

    https://github.com/bogdanrotariu/cve-2026-29204-whmcs-clientarea-addonid

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High