CVE-2024-1849 in WP Customer Reviews Plugin
Summary
by MITRE • 04/15/2024
The WP Customer Reviews WordPress plugin before 3.7.1 does not validate a parameter allowing contributor and above users to redirect a page to a malicious URL
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Analysis
by VulDB Data Team • 05/09/2025
The WP Customer Reviews WordPress plugin vulnerability CVE-2024-1849 represents a critical authorization bypass flaw that affects versions prior to 3.7.1. This vulnerability specifically targets the plugin's handling of user input parameters and allows users with contributor-level privileges or higher to manipulate redirect functionality within the WordPress administration interface. The issue stems from inadequate parameter validation within the plugin's core codebase, creating an avenue for malicious actors to exploit the system's redirect mechanisms for unauthorized purposes.
The technical flaw manifests in the plugin's insufficient input sanitization processes where a specific parameter controlling page redirection is not properly validated before being processed. This allows authenticated users with contributor roles or above to inject malicious URLs into the redirect parameter, potentially leading to open redirect vulnerabilities that can be leveraged for phishing attacks, credential theft, or further exploitation of the WordPress installation. The vulnerability operates at the application layer and specifically affects the plugin's administrative functionality, making it particularly dangerous as it can be exploited by users who already have some level of access to the WordPress system.
The operational impact of this vulnerability extends beyond simple redirection capabilities and creates significant security risks for WordPress sites utilizing the affected plugin. Contributors and higher-privileged users can potentially redirect administrators to malicious domains, which could facilitate social engineering attacks, credential harvesting, or serve as a stepping stone for more sophisticated exploitation techniques. This vulnerability undermines the principle of least privilege and could enable attackers to escalate their access within the WordPress environment, particularly if administrators are tricked into following malicious redirects. The attack vector is relatively straightforward as it requires only authentication access, making it accessible to a broader range of potential threat actors.
From a cybersecurity perspective, this vulnerability aligns with CWE-601 Open Redirect vulnerability classification and demonstrates the importance of proper input validation in web applications. The flaw also relates to ATT&CK technique T1190 for Exploit Public-Facing Application and T1566 for Phishing, as it enables malicious redirection that can be used in social engineering campaigns. Organizations should prioritize immediate patching of this vulnerability to prevent potential exploitation, as the low barrier to entry for exploitation makes it particularly attractive to threat actors. The remediation process involves updating to the patched version 3.7.1 or later, which includes proper parameter validation and sanitization measures. Security teams should also conduct comprehensive audits of their WordPress installations to identify any other potentially vulnerable plugins and ensure that all third-party components are regularly updated to maintain security posture.