CVE-2025-66075 in WP Cookie Notice for GDPR, CCPA & ePrivacy Consent Plugin
Summary
by MITRE • 11/21/2025
Missing Authorization vulnerability in WP Legal Pages WP Cookie Notice for GDPR, CCPA & ePrivacy Consent gdpr-cookie-consent allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Cookie Notice for GDPR, CCPA & ePrivacy Consent: from n/a through <= 4.0.3.
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Analysis
by VulDB Data Team • 11/21/2025
The vulnerability CVE-2025-66075 represents a critical missing authorization flaw within the WP Legal Pages WP Cookie Notice plugin for GDPR, CCPA & ePrivacy Consent. This security weakness stems from incorrectly configured access control security levels that allow unauthorized users to exploit administrative functions without proper authentication. The vulnerability specifically impacts versions of the plugin ranging from the initial release through version 4.0.3, creating a persistent risk for WordPress sites utilizing this consent management solution. The flaw exists in the plugin's permission handling mechanisms, where access controls are not properly enforced for sensitive administrative operations, potentially enabling attackers to perform actions typically restricted to authorized administrators.
The technical implementation of this vulnerability manifests through insufficient validation of user privileges during critical plugin operations. When users interact with the consent management features or attempt to modify cookie settings, the plugin fails to adequately verify whether the requesting user possesses the necessary administrative permissions. This misconfiguration creates a path for privilege escalation attacks where unauthenticated or low-privileged users can manipulate plugin configurations, view sensitive data, or execute administrative commands. The vulnerability aligns with CWE-284 which specifically addresses improper access control and improper privilege management in software applications. Attackers exploiting this weakness could potentially modify cookie consent settings, access user data, or disrupt the functionality of the cookie consent system.
The operational impact of CVE-2025-66075 extends beyond simple unauthorized access to encompass potential compliance violations and data integrity breaches. WordPress sites using affected versions of this plugin face significant risks including unauthorized modification of cookie consent configurations that could violate GDPR, CCPA, and ePrivacy regulations. Organizations relying on the plugin for compliance management may find their legal obligations compromised if attackers can bypass access controls to alter consent tracking mechanisms. The vulnerability also creates opportunities for attackers to inject malicious configurations or disable consent tracking features, potentially leading to legal penalties and regulatory sanctions. This issue directly impacts the ATT&CK technique T1078 which involves valid accounts and legitimate credentials to gain access to systems, as the vulnerability allows unauthorized access through improperly configured access controls rather than credential theft.
Mitigation strategies for this vulnerability require immediate action including upgrading to the latest plugin version where the authorization flaw has been addressed. System administrators should verify that all instances of the WP Cookie Notice plugin are updated to version 4.0.4 or higher, which contains the necessary access control fixes. Additionally, implementing network-level restrictions and monitoring access to administrative interfaces can help detect unauthorized attempts to exploit the vulnerability. Regular security audits should include verification of plugin permissions and access control configurations to prevent similar issues. The remediation process should also involve reviewing existing user roles and capabilities within WordPress installations to ensure that access controls are properly configured. Organizations should consider implementing additional security layers such as web application firewalls and intrusion detection systems to monitor for exploitation attempts. Compliance monitoring should be enhanced to ensure that consent management systems remain functional and secure against unauthorized modifications. The vulnerability demonstrates the importance of maintaining up-to-date security practices and proper access control implementation in content management systems.