Vulnerability Description
The WHMCS Bridge WordPress plugin is vulnerable to Stored Cross-Site Scripting via the cc_whmcs_bridge_url parameter found in the ~/whmcs-bridge/bridge_cp.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 6.1. Due to missing authorization checks on the cc_whmcs_bridge_add_admin function, low-level authenticated users such as subscribers can exploit this vulnerability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| I-Plugins | Whmcs Bridge | <= 6.1 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&oldIssue TrackingPatchThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4074Third Party Advisory
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&oldIssue TrackingPatchThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4074Third Party Advisory
FAQ
What is CVE-2021-4074?
CVE-2021-4074 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The WHMCS Bridge WordPress plugin is vulnerable to Stored Cross-Site Scripting via the cc_whmcs_bridge_url parameter found in the ~/whmcs-bridge/bridge_cp.php file which allows attackers to inject arb...
How severe is CVE-2021-4074?
CVE-2021-4074 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4074?
Check the references section above for vendor advisories and patch information. Affected products include: I-Plugins Whmcs Bridge.