CVE-2026-12955 wplegalpages CVE debrief

Who should care

Administrators of WordPress sites using the GDPR Cookie Consent plugin, especially those with versions up to and including 4.3.6, should be aware of this vulnerability and take immediate action to protect their sites.

Technical summary

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. This function is part of the wp_ajax_gcc_save_schedule_scan AJAX action. The vulnerability affects versions up to and including 4.3.6 of the plugin. An authenticated attacker with Subscriber-level access and above can exploit this vulnerability to modify the plugin's cookie scan schedule configuration, which is stored in the gdpr_scan_schedule_data option. This configuration is intended to be an administrative function limited to users with the manage_options capability.

Defensive priority

Medium priority due to the CVSS score of 4.3 and the potential for authenticated attackers to modify sensitive configuration data.

Recommended defensive actions

• Update the GDPR Cookie Consent plugin to a version that fixes this vulnerability, if available.
• Restrict access to the plugin's configuration pages to users with the manage_options capability.
• Monitor the plugin's configuration for unauthorized changes.
• Consider implementing additional security measures such as two-factor authentication for all users, especially those with Subscriber-level access.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-07-10T09:16:52.987Z and was last modified on 2026-07-10T17:16:53.490Z. The vulnerability was reported by [email protected]. The NVD entry is currently Deferred.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.