Arbitrary File Upload Vulnerability in WHMCS Bridge Plugin for WordPress
CVE-2026-14489

8.8HIGH

Key Information:

Vendor

WordPress
Status
Whmcs Bridge
Vendor
CVE Published:
8 July 2026

What is CVE-2026-14489?

The WHMCS Bridge plugin for WordPress is susceptible to an arbitrary file upload vulnerability due to inadequate file type validation within the connect() function. This flaw affects all versions up to and including 6.9. Authenticated attackers with Custom-level access or higher can exploit this vulnerability to upload malicious files to the server hosting the affected site, potentially leading to remote code execution risks.

Affected Version(s)

WHMCS Bridge 0 <= 6.9

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/whmcs-bridge/t...
https://plugins.trac.wordpress.org/browser/whmcs-bridge/t...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

nthng
.