WHMCS Bridge <= 6.1 Subscriber+ Stored Cross-Site Scripting
CVE-2021-4074

6.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Whmcs Bridge
Vendor
CVE Published:
18 January 2022

Summary

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 Version(s)

WHMCS Bridge 6.1

References

https://www.wordfence.com/vulnerability-advisories/#CVE-2...
x_refsource_MISC
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...
x_refsource_MISC

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kazuto Kokonoe, Tokyo Denki University Cryptography Laboratory
.