CVE-2022-1832 in CaPa Protect Plugin
Summary
by MITRE • 06/20/2022
The CaPa Protect WordPress plugin through 0.5.8.2 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack and disable the applied protection.
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Analysis
by VulDB Data Team • 06/20/2022
The CaPa Protect WordPress plugin version 0.5.8.2 and earlier contains a critical cross-site request forgery vulnerability that undermines the security posture of WordPress installations. This vulnerability stems from the absence of proper CSRF protection mechanisms within the plugin's administrative settings update functionality, creating a significant attack surface that adversaries can exploit to compromise system integrity.
The technical flaw manifests as the complete omission of CSRF tokens or validation mechanisms when processing administrative setting updates within the CaPa Protect plugin. When administrators access the plugin's settings interface and submit changes, the system fails to verify that the request originates from a legitimate administrative session rather than a maliciously crafted request. This absence of validation allows attackers to construct specially crafted HTTP requests that, when executed by an authenticated administrator, can modify the plugin's configuration without proper authorization.
The operational impact of this vulnerability extends beyond simple configuration changes, as attackers can disable the very protection mechanisms that the plugin is designed to provide. By leveraging this CSRF flaw, malicious actors can effectively neutralize the security controls that administrators have implemented, leaving their WordPress installations vulnerable to attacks that the plugin was specifically intended to prevent. This creates a particularly dangerous scenario where the security tool becomes a vector for weakening the overall security posture rather than strengthening it.
From a cybersecurity framework perspective, this vulnerability maps directly to CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in software applications. The flaw also aligns with ATT&CK technique T1078.004, which covers legitimate credentials for privilege escalation, as the attack leverages existing administrative sessions to execute unauthorized changes. The vulnerability represents a critical failure in the principle of least privilege and demonstrates the importance of implementing comprehensive input validation and session management controls.
Organizations should immediately implement mitigations including updating to the latest version of the CaPa Protect plugin where CSRF protection has been implemented, applying temporary workarounds such as implementing additional authentication layers, and monitoring for suspicious administrative activities. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, while administrators should conduct thorough security audits to identify other plugins or components that may be similarly vulnerable to CSRF attacks. The incident underscores the critical need for security-conscious development practices and the importance of implementing proper validation mechanisms for all administrative functions within web applications.