The Member Access plugin for WordPress, versions up to and including 1.1.6, contains a sensitive information exposure vulnerability (CWE-200) identified as CVE-2024-11290. This flaw allows unauthenticated attackers to leverage the WordPress core search functionality to retrieve data from posts that should be restricted to privileged roles like administrators. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity level with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The issue impacts confidentiality but does not affect integrity or availability. There is no vendor-provided patch or official fix available at this time.

An unauthenticated attacker can extract sensitive information from restricted posts intended only for higher-level roles such as administrators. This exposure compromises confidentiality but does not impact the integrity or availability of the system. The vulnerability could lead to unauthorized disclosure of sensitive data within the WordPress environment using the Member Access plugin.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting or disabling the WordPress core search feature for unauthenticated users or limiting access to sensitive posts through alternative access controls. Monitor official vendor channels for updates regarding patches or mitigations.