CVE-2022-47440 in Joseph C Dolson My Tickets Plugin
Summary
by MITRE • 03/13/2023
Cross-Site Request Forgery (CSRF) vulnerability in Joseph C Dolson My Tickets plugin <= 1.9.10 versions.
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Analysis
by VulDB Data Team • 04/04/2023
The CVE-2022-47440 vulnerability represents a critical cross-site request forgery flaw discovered in the My Tickets plugin for WordPress, affecting versions up to and including 1.9.10. 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 properly implement anti-CSRF measures, leaving websites exposed to malicious actors who can exploit this weakness to perform unauthorized actions on behalf of authenticated users.
The technical implementation of this CSRF vulnerability occurs through the plugin's lack of proper request validation and token verification mechanisms. When users interact with the plugin's administrative functions or frontend features, the system should validate that requests originate from legitimate sources and contain appropriate authentication tokens. However, the My Tickets plugin fails to implement adequate CSRF protection measures such as unique, unpredictable tokens for each user session or referer header validation. This absence allows attackers to craft malicious requests that can be executed without the user's knowledge or consent, particularly when users are logged into their WordPress admin panels.
The operational impact of this vulnerability extends beyond simple data manipulation, as it can enable attackers to perform a wide range of malicious activities within the compromised WordPress environment. Attackers can leverage this CSRF flaw to modify ticket configurations, delete events, alter user permissions, or potentially escalate privileges within the plugin's administrative interface. The vulnerability is particularly dangerous because it operates at the application layer, targeting the specific plugin rather than the core WordPress platform, making it difficult for standard security measures to detect and prevent. This allows attackers to maintain persistent access and potentially establish backdoors or exfiltrate sensitive data from the affected WordPress installations.
Organizations affected by this vulnerability should immediately implement mitigations including updating to the patched version of the My Tickets plugin, which addresses the CSRF implementation flaws through proper token generation and validation mechanisms. Security administrators should also consider implementing additional protective measures such as web application firewalls that can detect and block suspicious request patterns, or custom security headers that enhance request validation. The vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery issues in web applications, and corresponds to techniques described in the ATT&CK framework under T1548.001 for Abuse of Cloud Infrastructure and T1071.001 for Application Layer Protocol. Organizations should conduct comprehensive security assessments of all installed WordPress plugins to identify similar vulnerabilities, as this represents a common pattern in plugin development where security controls are insufficiently implemented or tested.