CVE-2022-0707 in Easy Digital Downloads Plugin
Summary
by MITRE • 04/18/2022
The Easy Digital Downloads WordPress plugin before 2.11.6 does not have CSRF check in place when inserting payment notes, which could allow attackers to make a logged admin insert arbitrary notes via a CSRF attack
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Analysis
by VulDB Data Team • 02/08/2025
The Easy Digital Downloads WordPress plugin vulnerability CVE-2022-0707 represents a critical cross-site request forgery weakness that undermines the security of e-commerce transactions within WordPress environments. This flaw affects versions prior to 2.11.6 and specifically targets the plugin's payment note insertion functionality, creating an avenue for unauthorized administrative actions that could compromise the integrity of financial records and customer data.
The technical implementation of this vulnerability stems from the absence of proper CSRF protection mechanisms within the plugin's administrative interface. When administrators perform actions such as adding payment notes, the plugin fails to validate that requests originate from legitimate sources within the authenticated session. This omission allows attackers to craft malicious web pages or emails that, when visited by an authenticated administrator, automatically submit requests to the plugin's payment note insertion endpoint. The vulnerability directly maps to CWE-352, which categorizes cross-site request forgery as a fundamental web application security flaw that enables attackers to perform unauthorized actions on behalf of users.
The operational impact of this vulnerability extends beyond simple data manipulation, as it provides attackers with the ability to inject false information into payment records that could be used for fraud detection evasion, financial audit manipulation, or customer service disruption. An attacker could potentially insert misleading notes that suggest payment processing issues, customer disputes, or other anomalies that might confuse support staff and create operational chaos. The vulnerability particularly affects e-commerce businesses relying on Easy Digital Downloads for digital product sales, where payment note integrity is crucial for maintaining trust and compliance with financial regulations.
Security professionals should recognize this vulnerability as a prime example of how administrative interfaces often lack proper validation mechanisms, creating attack surfaces that can be exploited through social engineering or by compromising administrator sessions. The attack vector typically involves phishing campaigns where administrators are tricked into visiting malicious sites that contain embedded requests to the vulnerable plugin's endpoints. This vulnerability aligns with ATT&CK technique T1566, which describes social engineering tactics that manipulate users into performing actions that compromise security.
Organizations should implement immediate mitigation strategies including updating to version 2.11.6 or later, which includes proper CSRF token validation for payment note insertion operations. Additionally, administrators should review their WordPress plugin management practices, ensuring that all plugins receive regular updates and that security monitoring is implemented to detect anomalous administrative activities. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though the primary solution remains the plugin update that addresses the root cause of the CSRF vulnerability. The incident underscores the critical importance of implementing proper session management and request validation patterns in web applications, particularly those handling financial transactions where data integrity is paramount.