SB2018111101 - Privilege escalation in GDPR Compliance plugin for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Privilege escalation (CVE-ID: CVE-2018-19207)

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The weakness exists due to the software fail to do capability checks when executing its internal action save_setting to make such configuration changes when processing arbitrary options and values to this endpoint. A remote attacker can set the users_can_register option to 1, and change the default_role of new users to “administrator” to simply fill out the form at /wp-login.php?action=register and immediately access a privileged account, change these options back to normal and install a malicious plugin or theme containing a web shell or other malware to further infect the victim site.

Note: this vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://www.wordfence.com/blog/2018/11/privilege-escalation-flaw-in-wp-gdpr-compliance-plugin-exploited-in-the-wild/