CVE-2026-12955
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
The GDPR Cookie Consent plugin for WordPress up to version 4.3.6 is vulnerable to unauthorized data modification due to missing capability check and nonce verification in the gdpr_cookie_consent_ajax_save_schedule_scan() function. This allows authenticated attackers with Subscriber-level access or higher to modify the cookie scan schedule configuration.
Risk Assessment
The organization is at risk of unauthorized changes to the cookie scan schedule, which could disrupt plugin functionality and potentially lead to GDPR compliance issues.
Recommendation
Immediately update the GDPR Cookie Consent plugin to the latest patched version. Additionally, restrict user permissions to the minimum necessary.
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Original NVD description (English source)
The GDPR Cookie Consent plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce verification on the gdpr_cookie_consent_ajax_save_schedule_scan() function (the wp_ajax_gcc_save_schedule_scan AJAX action) in versions up to, and including, 4.3.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the plugin's cookie scan schedule configuration stored in the gdpr_scan_schedule_data option, which is an administrative function intended to be limited to users with the manage_options capability.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

