CVE-2024-3994: 
WordPress vulnerability analysis and mitigation

The Tutor LMS – eLearning and online course solution plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2024-3994) in versions up to and including 2.6.2. The vulnerability exists in the plugin's 'tutor_instructor_list' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 5.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The issue stems from improper neutralization of input during web page generation, classified as CWE-79 (Cross-site Scripting). The vulnerability affects the plugin's shortcode functionality, specifically the 'tutor_instructor_list' feature (NVD).

When exploited, this vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page (NVD).

The vulnerability requires an authenticated user with at least contributor-level privileges to exploit. The attack vector is network-accessible (AV:N) with low attack complexity (AC:L) and requires user interaction (UI:R) (NVD).

Users are advised to update to version 2.7.0 or later of the Tutor LMS plugin, which contains the fix for this vulnerability. The patch addresses the input sanitization and output escaping issues in the affected shortcode (Wordpress Patch).