CVE-2024-3246 in LiteSpeed Cache Plugin
Summary
by MITRE • 07/24/2024
The LiteSpeed Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.2.0.1. This is due to missing or incorrect nonce validation. This makes it possible for unauthenticated attackers to update the token setting and inject malicious JavaScript 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 • 03/16/2025
The CVE-2024-3246 vulnerability affects the LiteSpeed Cache plugin for WordPress, a widely used caching solution that significantly impacts website performance and security. This particular flaw represents a critical cross-site request forgery vulnerability that has existed in all versions up to and including 6.2.0.1, making it a persistent threat to countless WordPress installations. The vulnerability stems from inadequate nonce validation mechanisms within the plugin's administrative interfaces, creating a fundamental security gap that allows attackers to manipulate the plugin's configuration settings without proper authentication. This issue particularly concerns administrators who may be tricked into performing actions through social engineering tactics, such as clicking malicious links or visiting compromised websites, which then execute unauthorized operations on their behalf. The vulnerability's impact is amplified by the plugin's widespread adoption across the WordPress ecosystem, potentially affecting thousands of websites simultaneously.
The technical exploitation of this vulnerability occurs through the manipulation of the plugin's token settings, which are typically protected by nonce validation to prevent unauthorized modifications. When an attacker crafts a malicious request that bypasses proper nonce verification, they can inject malicious JavaScript code into the token configuration, effectively allowing for persistent code execution within the administrator's session context. This type of vulnerability directly maps to CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in software applications. The flaw demonstrates poor input validation and insufficient session management practices, as the plugin fails to properly verify the authenticity of requests originating from administrative interfaces. Attackers can leverage this vulnerability to establish backdoors, modify plugin configurations, or even escalate privileges within the WordPress environment, making it particularly dangerous for sites that rely heavily on caching functionality for performance optimization.
The operational impact of CVE-2024-3246 extends beyond simple code injection, as it creates a persistent threat vector that can be exploited for various malicious activities within the compromised WordPress environment. Once an administrator clicks on a malicious link, the attacker can modify caching settings to redirect traffic through malicious servers or inject tracking scripts that monitor user behavior. This vulnerability particularly affects sites that depend on LiteSpeed Cache for performance optimization, as the compromised caching functionality can be used to serve malicious content to visitors while maintaining the appearance of legitimate website operations. The attack surface is further expanded due to the plugin's integration with WordPress's administrative interfaces, allowing attackers to potentially modify other plugin configurations or even access sensitive site data through the compromised caching mechanism. According to ATT&CK framework category T1566, this vulnerability represents a successful initial access vector through social engineering and user manipulation techniques.
Organizations and website administrators should immediately implement mitigation strategies to protect their WordPress installations from this vulnerability, as the affected versions remain exposed to exploitation. The primary mitigation involves updating to the latest version of the LiteSpeed Cache plugin where the nonce validation has been properly implemented and enforced. Administrators should also conduct thorough security audits of their WordPress installations to identify any potential exploitation attempts or unauthorized modifications that may have occurred. Network monitoring solutions should be configured to detect unusual patterns in caching configuration changes or unexpected JavaScript injections that could indicate exploitation attempts. Additional protective measures include implementing strict content security policies, regularly reviewing administrator access logs, and educating staff about the risks of clicking on unverified links or visiting suspicious websites. The vulnerability highlights the critical importance of proper nonce implementation in web applications and demonstrates how seemingly minor security oversights can create significant risks for entire website ecosystems. Regular security assessments and prompt patch management procedures should be maintained to prevent similar vulnerabilities from compromising WordPress environments in the future.