An issue in the profile image upload function of LearnDash v6.7.1 allows attackers to cause a Denial of Service (DoS) via excessive file uploads.

LearnDash v6.7.1 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the ld-comment-body class.

LearnDash v6.7.1 was discovered to contain a stored cross-site scripting (XSS) vulnerability in the materials-content class.

The LearnDash LMS plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.10.1 via API. This makes it possible for unauthenticated attackers to obtain access to quizzes.

The LearnDash LMS plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.10.1 via direct file access due to insufficient protection of uploaded assignments. This makes it possible for unauthenticated attackers to obtain those uploads.

The LearnDash LMS plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.10.2 via API. This makes it possible for unauthenticated attackers to obtain access to quiz questions.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in LearnDash LearnDash LMS allows SQL Injection.This issue affects LearnDash LMS: from n/a through 4.5.3.

The LearnDash LMS plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 4.6.0. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for attackers with with existing account access at any level, to change user passwords and potentially take over administrator accounts.

The LearnDash LMS WordPress plugin before 2.5.4 does not have any authorisation and validation of the file to be uploaded in the learndash_assignment_process_init() function, which could allow unauthenticated users to upload arbitrary files to the web server

LearnDash Wordpress plugin version below 3.1.6 is vulnerable to Unauthenticated SQL Injection.