CVE-2024-56243: 
WordPress vulnerability analysis and mitigation

The CVE-2024-56243 vulnerability affects the WPSSO Core WordPress plugin, which is a Complete and Optimized Structured Data SEO plugin. The vulnerability was discovered in versions up to and including 18.18.1, and was publicly disclosed on December 30, 2024. This security issue is classified as a Missing Authorization vulnerability that allows exploiting incorrectly configured access control security levels (WPScan, Patchstack).

The vulnerability is categorized as CWE-862 (Missing Authorization) and has been assigned a CVSS v3.1 score of 4.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. The issue stems from a missing capability check on a function, which affects the access control mechanism of the plugin (Patchstack).

The vulnerability allows authenticated attackers with Subscriber-level access and above to perform unauthorized actions within the plugin's functionality. This represents a broken access control issue that could potentially lead to unprivileged users executing certain higher privileged actions (WPScan).

The vulnerability has been fixed in version 18.18.2 of the WPSSO Core plugin. Users are advised to update to version 18.18.2 or later to remove the vulnerability. For additional protection, Patchstack users can enable auto-update functionality for vulnerable plugins (Patchstack).