CVE-2024-31423: 
WordPress vulnerability analysis and mitigation

A Missing Authorization vulnerability was discovered in the WP Accessibility Helper (WAH) WordPress plugin, affecting versions through 0.6.2.5. The vulnerability was reported by researcher Kévin Mosbahi (Mika) on December 5, 2023, and was publicly disclosed on April 10, 2024. The issue was assigned CVE-2024-31423 (Patchstack).

The vulnerability is classified as a Broken Access Control issue (CWE-862) with varying CVSS scores. The National Vulnerability Database (NVD) assigned a CVSS v3.1 Base Score of 8.8 (HIGH) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, while Patchstack rated it at 4.3 (MEDIUM) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. The vulnerability stems from missing authorization, authentication, or nonce token checks in certain functions (Patchstack).

The vulnerability could allow unprivileged users to execute certain higher privileged actions. The issue has been assessed to have a low severity impact and is considered unlikely to be exploited, though specific impacts may vary case by case (Patchstack).

The vulnerability requires a subscriber-level privilege for exploitation. The attack vector is network-accessible with low attack complexity and requires low privileges (Patchstack).

The vulnerability has been fixed in version 0.6.2.6 of the WP Accessibility Helper plugin. Users are advised to update to version 0.6.2.6 or later to remove the vulnerability. Patchstack users have the option to enable auto-update for vulnerable plugins (Patchstack).