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WHMCS

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.3
    CVE-2026-67399

    Deserialization of untrusted data in WHMCS 9.0.0 before 9.0.8 and 8.0.0 before 8.13.7 allows remote attackers to execut…

    WebPros WHMCS
  • Critical 9.1
    CVE-2026-29204 Public exploit

    Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using anot…

    WebPros WHMCS