CVE-2021-4074

Published: Jan 18, 2022

Modified: Feb 14, 2025

PUBLISHED

CVSS v3.1

6.4

MEDIUM

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.

Vendor	Product	Versions
WHMCS Bridge	WHMCS Bridge	affected `6.1 - <= 6.1`

Weaknesses (CWE)

CWE-79

CWE-862

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-4074

x_refsource_MISC

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2653041%40whmcs-bridge&new=2653041%40whmcs-bridge&sfp_email=&sfph_mail=

x_refsource_MISC

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CVE-2021-4074

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References