CVE-2022-4745 in WP Customer Area Plugin
Summary
by MITRE • 02/13/2023
The WP Customer Area WordPress plugin before 8.1.4 does not have CSRF checks when performing some actions such as chmod, mkdir and copy, which could allow attackers to make a logged-in admin perform them and create arbitrary folders, copy file for example.
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Analysis
by VulDB Data Team • 03/12/2023
The WP Customer Area WordPress plugin vulnerability CVE-2022-4745 represents a critical security flaw that undermines the integrity of WordPress administrative operations through Cross-Site Request Forgery (CSRF) attacks. This vulnerability affects versions prior to 8.1.4 and specifically targets the plugin's handling of file system operations including chmod, mkdir, and copy functions. The flaw allows authenticated attackers to manipulate administrative sessions and execute unauthorized file system modifications without proper user consent or verification.
The technical implementation of this vulnerability stems from the absence of proper CSRF token validation within the plugin's administrative interfaces. When administrators perform file operations through the WP Customer Area plugin, the system fails to verify that requests originate from legitimate administrative sessions rather than maliciously crafted requests. This omission creates a pathway for attackers who can craft specially crafted web pages or emails that, when visited by an authenticated administrator, automatically execute the vulnerable file operations. The vulnerability directly maps to CWE-352, which defines Cross-Site Request Forgery as a weakness where a web application fails to validate that requests originate from the intended user.
The operational impact of this vulnerability extends beyond simple unauthorized file operations. Attackers can leverage this flaw to create arbitrary directories, copy files, and potentially execute chmod operations that alter file permissions. This capability enables attackers to establish persistent access points within the WordPress environment, upload malicious files, or manipulate existing files to compromise the entire system. The vulnerability is particularly dangerous in environments where administrators have elevated privileges, as it allows attackers to escalate their privileges and gain deeper control over the WordPress installation. The attack surface is broadened by the fact that these operations can be performed through standard administrative interfaces, making detection more difficult.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1059.001 for Command and Scripting Interpreter and T1078.004 for Valid Accounts - Default Accounts, as attackers can exploit legitimate administrative sessions to perform malicious operations. The attack vector typically involves social engineering campaigns where administrators are tricked into visiting malicious websites or opening compromised emails. Organizations using the WP Customer Area plugin before version 8.1.4 face significant risk of data compromise, unauthorized access, and potential full system takeover. The vulnerability's exploitation requires minimal technical skill, making it particularly dangerous for organizations with less sophisticated security teams.
The recommended mitigation strategy involves immediate upgrade to WP Customer Area version 8.1.4 or later, which includes proper CSRF token implementation for all administrative file operations. Additionally, administrators should implement additional security measures including regular security audits, monitoring for unusual file system changes, and ensuring that all WordPress plugins are kept current with security patches. Network-level protections such as web application firewalls and intrusion detection systems can help detect and block exploitation attempts. Organizations should also consider implementing role-based access controls and multi-factor authentication to reduce the impact of potential credential compromise. The vulnerability underscores the critical importance of proper input validation and CSRF protection in web applications, particularly in administrative interfaces where sensitive operations can be performed.