CVE-2022-47162 in DH Anti AdBlocker Plugin
Summary
by MITRE • 03/14/2023
Cross-Site Request Forgery (CSRF) vulnerability in Dannie Herdyawan DH – Anti AdBlocker plugin <= 36 versions.
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Analysis
by VulDB Data Team • 03/14/2023
The CVE-2022-47162 vulnerability represents a critical cross-site request forgery flaw within the Dannie Herdyawan DH – Anti AdBlocker WordPress plugin affecting versions 36 and earlier. This vulnerability resides in the plugin's handling of administrative actions without proper CSRF token validation, creating a significant security risk for WordPress sites that utilize this particular anti-adblock solution. The flaw specifically impacts the plugin's administrative interface where users can modify core settings and configurations without sufficient authentication verification mechanisms.
The technical implementation of this CSRF vulnerability stems from the plugin's failure to incorporate anti-CSRF tokens in its administrative forms and AJAX endpoints. When administrators interact with the plugin's settings or perform administrative tasks through the WordPress dashboard, the system does not validate that requests originate from legitimate administrative sessions. This omission allows attackers to craft malicious requests that can be executed on behalf of authenticated administrators, potentially leading to unauthorized configuration changes, data manipulation, or privilege escalation within the affected WordPress environment. The vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in web applications.
The operational impact of this vulnerability extends beyond simple configuration changes, as it could enable attackers to manipulate the anti-adblocker functionality in ways that might compromise user experience or even provide unauthorized access to sensitive administrative controls. Attackers could potentially disable the plugin's functionality, modify its detection parameters, or alter settings that affect how adblockers are handled on the website. This presents a particular risk for websites where the plugin is used to maintain revenue streams through adblocker detection and mitigation, as malicious actors could disrupt these mechanisms or gain unauthorized access to administrative controls.
Mitigation strategies for CVE-2022-47162 should prioritize immediate plugin updates to versions that address the CSRF token validation issue, as recommended by the plugin developer and security vendors. Organizations should also implement additional security measures such as monitoring administrative actions for suspicious patterns, enforcing strong authentication mechanisms, and utilizing web application firewalls to detect and block potential CSRF attack vectors. The vulnerability demonstrates the importance of proper input validation and authentication checks in web applications, aligning with ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting through social engineering. Security teams should also conduct thorough audits of all installed WordPress plugins to identify similar CSRF vulnerabilities and ensure comprehensive protection across their digital infrastructure.