Medium severity6.4NVD Advisory· Published Jan 18, 2022· Updated Jun 17, 2026
CVE-2021-4074
CVE-2021-4074
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.
Affected products
2- Range: <=6.1
- Range: 6.1
Patches
Vulnerability mechanics
References
2- plugins.trac.wordpress.org/changesetnvdIssue TrackingPatchThird Party Advisory
- www.wordfence.com/vulnerability-advisories/nvdThird Party Advisory
News mentions
0No linked articles in our index yet.