WebPros WHMCS

2 known vulnerabilities in WebPros WHMCS, 1 critical, with patch priority, exploit likelihood and the news covering them.

Latest vulnerabilities

  • CVE-2026-67399 CVSS 9.3 critical 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 execute arbitrary code.
  • CVE-2026-67398 CVSS 8.2 high Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.7, from 9.0.0 before…