CVE-2024-31422 in Favicon Plugin
Summary
by MITRE • 04/15/2024
Cross-Site Request Forgery (CSRF) vulnerability in Philippe Bernard Favicon.This issue affects Favicon: from n/a through 1.3.29.
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Analysis
by VulDB Data Team • 04/06/2025
The CVE-2024-31422 vulnerability represents a critical cross-site request forgery flaw within the Favicon plugin developed by Philippe Bernard. This vulnerability exists in versions ranging from the initial release through 1.3.29, making it a widespread concern for users who have not updated to newer versions. The issue stems from insufficient validation of user requests, allowing malicious actors to exploit the plugin's functionality without proper authorization. Cross-site request forgery vulnerabilities typically occur when web applications fail to verify the origin of requests, enabling attackers to perform unauthorized actions on behalf of authenticated users. The Favicon plugin, which is designed to manage website favicons, becomes a potential attack vector when proper CSRF protection mechanisms are absent or inadequate.
This vulnerability operates through a fundamental flaw in the plugin's request handling mechanism, where it fails to implement proper anti-CSRF tokens or origin validation checks. Attackers can craft malicious requests that appear to originate from legitimate users within the target website's domain, exploiting the trust relationship between the web application and its users. The technical implementation likely lacks the necessary security controls that would normally validate the authenticity of incoming requests, such as checking for referer headers, validating CSRF tokens, or implementing same-site cookies. The vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery weaknesses in web applications. This classification indicates that the flaw exists in the application's security architecture rather than being a simple coding error, suggesting a systemic issue in how the plugin manages authentication and request validation.
The operational impact of this vulnerability extends beyond simple data exposure, potentially allowing attackers to perform administrative actions within the website's context. An attacker could leverage this CSRF vulnerability to modify favicon configurations, potentially redirecting users to malicious sites or injecting harmful content through the favicon mechanism. The attack surface becomes particularly concerning when considering that favicon files are often cached and served across multiple domains, creating opportunities for broader exploitation. Depending on the website's configuration, this vulnerability might enable privilege escalation attacks or allow for the execution of arbitrary code if the plugin's functionality permits file uploads or configuration changes. The impact is further amplified by the fact that favicon plugins are commonly used across various websites, making this vulnerability potentially widespread across multiple domains and user bases.
Organizations affected by this vulnerability should immediately implement mitigations including updating to the latest available version of the Favicon plugin where the CSRF protection has been properly implemented. The recommended approach involves deploying proper anti-CSRF token mechanisms, ensuring that all state-changing requests require validation tokens, and implementing referer header checks to verify request origins. Security measures should also include monitoring for unauthorized favicon modifications and implementing web application firewalls that can detect and block suspicious CSRF patterns. According to ATT&CK framework, this vulnerability maps to technique T1531 which involves creating or modifying system process, and T1078 which covers valid accounts, as attackers may leverage authenticated sessions to perform unauthorized actions. Additionally, organizations should conduct comprehensive security assessments of their web applications to identify other potential CSRF vulnerabilities in related plugins and components, ensuring that all user-initiated actions are properly validated and authenticated. The remediation process should include thorough testing of the updated plugin to confirm that the CSRF protection mechanisms function correctly without disrupting legitimate user functionality.