CVE-2021-4445: premium addons for elementor vulnerability

What is known

The Premium Addons for Elementor plugin for WordPress is vulnerable to Arbitrary Option Updates in versions up to, and including, 4.5.1. This is due to missing capability and nonce checks in the pa_dismiss_admin_notice AJAX action. This makes it possible for authenticated subscriber+ attackers to change arbitrary options with a restricted value of 1 on vulnerable WordPress sites.

Business impact

Successful exploitation of CVE-2021-4445, a medium vulnerability (CVSS 6.5) affecting premium addons for elementor, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.

Recommended administrator action

Confirm whether premium addons for elementor is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.

Sources

• NVD
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