CVE-2026-16613
Received Received - Intake

GDPR Cookie Compliance WordPress Plugin Cookie Deletion Vulnerability

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: WPScan

Description
The GDPR Cookie Compliance WordPress plugin before 5.1.0 expires the visitor's cookies from an action that is reachable without authentication and performs no request-origin check, allowing an attacker to log any user out and delete the site's cookies by luring them to a crafted link.

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Meta Information

Published
2026-08-05
Last Modified
2026-08-05
Generated
2026-08-05
AI Q&A
2026-08-05
EPSS Evaluated
N/A
NVD
CVE-2026-16613
EUVD
EUVD-2026-53107

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wp_cookie_compliance gdpr_cookie_compliance to 5.1.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is in the GDPR Cookie Compliance WordPress plugin before version 5.1.0. It allows an attacker to log out any user and delete the site's cookies by tricking them into clicking a malicious link. The attack works because the plugin's cookie deletion function can be triggered without authentication and has no request-origin check.

Detection Guidance

Check the installed version of the GDPR Cookie Compliance plugin. If it is below 5.1.0, the system is vulnerable. Use WordPress admin panel or run: wp plugin list | grep gdpr-cookie-compliance in the WordPress directory.

Impact Analysis

An attacker could force users to log out of the WordPress site and delete cookies, disrupting normal site functionality. This could lead to loss of user sessions, forced re-authentication, and potential data loss if cookies store critical session information.

Compliance Impact

This vulnerability could impact GDPR compliance by disrupting user consent mechanisms stored in cookies. For HIPAA, it may affect session integrity for protected health information access. Both standards require proper session management and authentication controls.

Mitigation Strategies

Update the GDPR Cookie Compliance plugin to version 5.1.0 or later immediately. Disable the plugin if an update is not possible. Monitor for suspicious logout activity or cookie deletions.

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