CVE-2023-23680 in WP-TopBar Plugin
Summary
by MITRE • 05/22/2023
Cross-Site Request Forgery (CSRF) vulnerability in Bob Goetz WP-TopBar plugin <= 5.36 versions.
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Analysis
by VulDB Data Team • 06/15/2023
The CVE-2023-23680 vulnerability represents a critical cross-site request forgery flaw discovered in the WP-TopBar plugin for WordPress, affecting versions up to and including 5.36. This vulnerability resides within the plugin's handling of user requests and authentication mechanisms, creating a significant security risk for WordPress sites that utilize this particular plugin. The issue stems from the plugin's failure to implement proper anti-CSRF measures, allowing malicious actors to exploit the weakness through crafted requests that could manipulate the plugin's functionality without user consent.
The technical implementation of this CSRF vulnerability occurs through the plugin's lack of secure token validation mechanisms within its administrative interfaces. When users with administrative privileges interact with the WP-TopBar plugin's settings or configuration pages, the system does not properly verify the authenticity of requests originating from the legitimate user session. This absence of request verification allows attackers to construct malicious requests that, when executed by an authenticated user, can perform unauthorized actions within the plugin's administrative context. The vulnerability specifically impacts the plugin's ability to distinguish between legitimate user-initiated requests and forged requests submitted by attackers, creating a pathway for privilege escalation and unauthorized modifications.
The operational impact of this vulnerability extends beyond simple data manipulation to encompass potential complete system compromise when combined with other attack vectors. An attacker who successfully exploits this CSRF flaw could modify plugin settings, potentially disabling security features or redirecting traffic to malicious domains. The vulnerability also poses risks to user data integrity and could enable attackers to inject malicious code or configuration changes that persist across plugin updates. Given that many WordPress installations rely on third-party plugins for various functionalities, this vulnerability could serve as a gateway for more extensive attacks against the entire WordPress ecosystem, particularly when administrators are unaware of the compromised plugin's presence.
Organizations and system administrators should prioritize immediate remediation of this vulnerability by updating to the latest version of the WP-TopBar plugin where the CSRF protection mechanisms have been properly implemented. The mitigation strategy should include comprehensive monitoring of plugin usage and implementing additional security layers such as web application firewalls that can detect and block suspicious request patterns. Security teams should also conduct thorough audits of all installed WordPress plugins to identify similar vulnerabilities and ensure proper implementation of CSRF protection mechanisms. This vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery weaknesses, and represents a critical concern for organizations following ATT&CK framework's privilege escalation techniques. The remediation process must include not only updating the vulnerable plugin but also implementing proper input validation and secure session management practices to prevent similar vulnerabilities from emerging in other components of the WordPress environment.