CVE-2023-6257: inline related posts vulnerability

What is known

The Inline Related Posts WordPress plugin before 3.6.0 is missing authorization in an AJAX action to ensure that users are allowed to see the content of the posts displayed, allowing any authenticated user, such as subscriber to retrieve the content of password protected posts

Business impact

Successful exploitation of CVE-2023-6257, a medium vulnerability (CVSS 4.3) affecting inline related posts, 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 inline related posts 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