CVE-2023-5772 in Debug Log Manager Plugin
Summary
by MITRE • 11/30/2023
The Debug Log Manager plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.2.1. This is due to missing or incorrect nonce validation on the clear_log() function. This makes it possible for unauthenticated attackers to clear the debug log via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 04/11/2026
The Debug Log Manager plugin for WordPress represents a critical security vulnerability classified as CVE-2023-5772, affecting all versions up to and including 2.2.1. This vulnerability manifests as a cross-site request forgery flaw that undermines the integrity of the plugin's administrative functions. The issue stems from insufficient or absent nonce validation mechanisms within the clear_log() function, which serves as the primary attack vector for malicious actors seeking to exploit this weakness. The vulnerability operates at the intersection of web application security principles and user trust models, where legitimate administrative actions can be manipulated through social engineering techniques.
The technical exploitation of this vulnerability occurs when an unauthenticated attacker crafts a malicious request designed to clear the WordPress debug log file through the plugin's interface. The absence of proper nonce validation means that any user can submit a forged request to the clear_log() function without requiring authentication or authorization. This flaw directly violates the fundamental security principle of request verification, where web applications should validate that requests originate from legitimate authenticated users. The vulnerability is categorized under CWE-352, which specifically addresses Cross-Site Request Forgery conditions in web applications, making it a well-documented and serious security weakness that affects the plugin's ability to maintain secure administrative operations.
The operational impact of this vulnerability extends beyond simple log manipulation, as it provides attackers with a potential pathway for system reconnaissance and disruption. By clearing debug logs, attackers can remove evidence of their activities while simultaneously disrupting the administrator's ability to monitor system behavior and identify potential security incidents. This attack vector is particularly dangerous because it requires minimal technical expertise to execute, relying primarily on social engineering to trick administrators into clicking malicious links. The vulnerability creates a scenario where legitimate administrative users become unwitting participants in malicious activities, making it difficult for system administrators to distinguish between authentic and forged requests.
The security implications of this vulnerability align with ATT&CK technique T1566, which describes social engineering attacks that manipulate users into performing actions that compromise security. The attack surface for this vulnerability is particularly concerning as it affects the plugin's ability to maintain secure administrative operations and can be exploited without requiring authentication credentials. Organizations using this plugin face significant risk of operational disruption and potential data loss, as debug logs often contain critical information about system behavior and security events. The vulnerability demonstrates how seemingly minor implementation flaws in web applications can create substantial security risks that affect the overall security posture of WordPress installations.
Mitigation strategies for CVE-2023-5772 should include immediate plugin updates to versions that implement proper nonce validation mechanisms, as well as network monitoring to detect suspicious administrative activities. System administrators should implement additional security measures such as web application firewalls and regular security audits to identify similar vulnerabilities in other plugins or themes. The remediation process should also include educating administrators about social engineering risks and implementing multi-factor authentication to reduce the impact of successful CSRF attacks. Organizations should conduct comprehensive vulnerability assessments to identify other plugins or components that may suffer from similar nonce validation issues, particularly those handling administrative functions or sensitive data operations.