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Product · WebPros

WHMCS

3 known vulnerabilities.

WHMCS at a glance

Last 12 months
3
Critical · all time
2
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 1 vulnerability, 1 critical June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 2 vulnerabilities, 1 critical Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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All Critical High Medium Low Exploited only Public exploit

3 results · Feed

  • 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
  • High 8.2
    CVE-2026-67398

    Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.7…

    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