CVE-2024-2326 in Pretty Links Plugin
Summary
by MITRE • 03/23/2024
The Pretty Links – Affiliate Links, Link Branding, Link Tracking & Marketing Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.6.3. This is due to missing or incorrect nonce validation when saving plugin settings. This makes it possible for unauthenticated attackers to change the plugin's configuration including stripe integration 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 • 04/13/2026
The Pretty Links plugin for WordPress represents a widely used tool for managing affiliate links, link branding, and marketing analytics within WordPress environments. This plugin facilitates the creation and management of various types of links while providing tracking capabilities that are essential for affiliate marketers and digital publishers. The vulnerability affects all versions up to and including 3.6.3, making it a significant concern for WordPress administrators who rely on this plugin for their marketing operations. The plugin's functionality extends to integrating with payment processing services like Stripe, which adds an additional layer of risk when configuration changes can be exploited by unauthorized parties.
The core technical flaw stems from inadequate nonce validation mechanisms within the plugin's administrative interfaces. Nonce validation serves as a critical security control that ensures requests originate from legitimate administrative sessions and prevents unauthorized modifications to plugin settings. In this case, the absence or improper implementation of nonce checks creates a cross-site request forgery vulnerability that allows attackers to craft malicious requests that appear to come from authenticated administrators. This vulnerability specifically impacts the plugin's settings save functionality where configuration parameters are modified without proper verification of the request source.
The operational impact of this vulnerability extends beyond simple configuration changes, particularly when considering the plugin's integration capabilities with payment processors like Stripe. An attacker who successfully exploits this CSRF vulnerability could potentially modify the plugin's Stripe integration settings, redirecting affiliate commissions to attacker-controlled accounts or disabling tracking functionality entirely. This represents a serious threat to both revenue generation and data integrity within WordPress installations that depend on the plugin for their affiliate marketing operations. The unauthenticated nature of the attack means that no prior login credentials are required, making the exploit accessible to anyone who can trick an administrator into clicking a malicious link.
The vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in software applications. This classification indicates that the flaw represents a fundamental security control failure where the application fails to validate the origin of requests. From an ATT&CK framework perspective, this vulnerability maps to T1566.002 which covers phishing techniques involving malicious links, and T1078.004 which addresses valid accounts and privilege escalation through administrative access. The attack vector requires social engineering to convince administrators to click malicious links, but once successful, provides persistent access to modify critical plugin configurations.
Organizations should immediately update to the latest version of the Pretty Links plugin where this vulnerability has been addressed through proper nonce implementation. Administrators should also implement additional security measures such as restricting administrative access to trusted IP addresses and monitoring for unusual configuration changes. Regular security audits of installed plugins should include verification of nonce validation practices and other security controls. The vulnerability highlights the importance of maintaining current security practices and the necessity of thorough testing of administrative interfaces for proper authentication mechanisms before deploying any plugin in production environments.