CVE-2023-5843: ads by datafeedr.com vulnerability

What is known

The Ads by datafeedr.com plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 1.1.3 via the 'dfads_ajax_load_ads' function. This allows unauthenticated attackers to execute code on the server. The parameters of the callable function are limited, they cannot be specified arbitrarily.

Business impact

Successful exploitation of CVE-2023-5843, a critical vulnerability (CVSS 9.0) affecting ads by datafeedr.com, 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 ads by datafeedr.com 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
• Reference
• Reference
• Reference