WHMCS Bridge

WHMCS Bridge has 3 disclosed vulnerabilities in the WordSec catalog, reported between 2022 and 2026; 2 are fixed and 1 remains unpatched as of September 2026. Their average CVSS score is 7.1, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 1 high. 2022 was the busiest year with 2 disclosures.

The most common weakness is Cross-Site Scripting, behind 2 of the records (67%). Other recurring categories include Unrestricted Upload Of File With Dangerous Type.

2 of the records (67%) have a vendor fix, while 1 remain unpatched. The oldest unresolved one dates back to 2026.

3 independent researchers contributed these findings, one record each.