WordPress plugin
WHMCS Bridge security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High1
- Medium2
- Low0
All WHMCS Bridge vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Unauthenticated Arbitrary File Upload via 'ccce' Parameter ≤6.9No patch available | CVE-2026-14489 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤6.3Update to 6.4b | CVE-2021-25112 | |
| Medium6.4 | WHMCS Bridge <= 6.1 Subscriber+ Stored Cross-Site Scripting ≤6.1Update to 6.3 | CVE-2021-4074 |
- High8.8Unauthenticated Arbitrary File Upload via 'ccce' Parameter
≤6.9No patch available
- Medium6.1Reflected Cross-Site Scripting
≤6.3Update to 6.4b
- Medium6.4WHMCS Bridge <= 6.1 Subscriber+ Stored Cross-Site Scripting
≤6.1Update to 6.3
WHMCS Bridge: common questions
Does WHMCS Bridge have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in WHMCS Bridge: 1 high, 2 medium. At least one is not fixed in the latest version.
How do I check which version of WHMCS Bridge I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent WHMCS Bridge vulnerability?
CVE-2026-14489, published Jul 7, 2026: WHMCS Bridge <= 6.9 - Unauthenticated Arbitrary File Upload via 'ccce' Parameter. Severity: High (CVSS 8.8).
Is any WHMCS Bridge vulnerability listed in CISA KEV?
No. None of the known WHMCS Bridge vulnerabilities is currently listed in the CISA KEV catalog.