CVE-2022-0710 in Header Footer Code Manager Plugin
Summary
by MITRE • 02/24/2022
The Header Footer Code Manager plugin
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Analysis
by VulDB Data Team • 02/26/2022
The Header Footer Code Manager plugin presents a critical security vulnerability classified as CVE-2022-0710 that affects WordPress websites utilizing this specific plugin. This vulnerability stems from insufficient input validation and sanitization mechanisms within the plugin's code execution processes, creating an avenue for malicious actors to exploit the system through crafted input parameters. The flaw exists in the plugin's handling of user-supplied data during the processing of header and footer code modifications, where proper security controls fail to adequately filter or escape potentially harmful content.
The technical implementation of this vulnerability allows for arbitrary code execution within the context of the affected WordPress installation. Attackers can leverage this weakness by submitting malicious code through the plugin's interface, which then gets executed on the server without proper authorization checks. This represents a severe privilege escalation issue that can lead to complete system compromise. The vulnerability manifests when the plugin processes user input for header and footer code sections, where inadequate sanitization permits the injection of malicious scripts or commands that can be executed with the privileges of the web server process. This type of flaw aligns with CWE-94, which specifically addresses the execution of code in the context of an application, and falls under the broader category of code injection vulnerabilities.
The operational impact of CVE-2022-0710 extends far beyond simple data theft, as successful exploitation can result in complete system takeover and persistent backdoor establishment. An attacker who successfully exploits this vulnerability can modify website content, steal sensitive data, install additional malware, or use the compromised system as a launch point for further attacks against the broader network infrastructure. The affected WordPress installations become vulnerable to various attack vectors including but not limited to defacement, data exfiltration, and as a staging ground for more sophisticated multi-stage attacks. This vulnerability particularly impacts organizations that rely heavily on WordPress for their web presence, as it provides attackers with a direct path to compromise their digital assets and potentially access related systems through the compromised website.
Mitigation strategies for CVE-2022-0710 require immediate action from affected organizations, beginning with the immediate deactivation and removal of the vulnerable plugin from all WordPress installations. System administrators should implement comprehensive input validation measures that enforce strict sanitization of all user-supplied data before processing, particularly focusing on code injection prevention techniques. The recommended approach includes applying the latest plugin updates from the vendor as soon as they become available, while also implementing web application firewalls to monitor and block suspicious traffic patterns. Additionally, organizations should conduct thorough security audits of their WordPress installations, review plugin permissions and access controls, and establish regular vulnerability scanning procedures to identify similar weaknesses in other components of their web infrastructure. The remediation process should also incorporate principle of least privilege concepts where possible, ensuring that the plugin operates with minimal required permissions to reduce potential damage from successful exploitation attempts.