LifterLMS <= 10.3.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Content Question Answer

The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'answer[]' parameter in all versions up to, and including, 10.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the attacker to be enrolled as a student in a course containing a Content-type quiz question; the injected payload executes in the administrator's browser session during the normal grading workflow when 'Start a Review' is clicked on the affected attempt.

LifterLMS < 10.0.10 - Subscriber+ Sensitive Information Disclosure via select2_query_posts

The LifterLMS WordPress plugin before 10.0.10 does not perform a capability check in one of its select2 query AJAX handlers, only verifying that the user is logged in, allowing any authenticated user with subscriber-level access to read the titles of internal post types such as coupon codes by supplying the post type.

LifterLMS < 10.0.10 - Instructor+ Stored XSS via Featured Pricing Information

The LifterLMS WordPress plugin before 10.0.10 does not strip event-handler attributes from a course pricing field before storing and rendering it, allowing users with a course-editing role to inject JavaScript that executes in the session of an administrator who views the course.

WordPress LifterLMS plugin <= 7.5.0 - Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery (CSRF) vulnerability in LifterLMS.This issue affects LifterLMS: from n/a through 7.5.0.

WordPress LifterLMS plugin <= 8.0.6 - SQL Injection Vulnerability

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in chrisbadgett LifterLMS lifterlms allows SQL Injection.This issue affects LifterLMS: from n/a through <= 8.0.6.

LifterLMS <= 8.0.1 - Missing Authorization to Unauthenticated Post Trashing

The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to Unauthenticated Post Trashing due to a missing capability check on the delete_access_plan function and the related AJAX calls in all versions up to, and including, 8.0.1. This makes it possible for unauthenticated attackers to change status to "Trash" for every published post, therefore limiting the availability of the website's content.

LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes - Various Versions - Authenticated (Student+) Privilege Escalation

The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to privilege escalation. This is due to the plugin not properly validating a user's identity prior to allowing them to modify their own role via the REST API. The permission check in the update_item_permissions_check() function returns true when a user updates their own account without verifying the role changes. This makes it possible for authenticated attackers, with student-level access and above, to escalate their privileges to administrator by updating their own roles array via a crafted REST API request. Another endpoint intended for instructors also provides an attack vector. Affected version ranges are 3.5.3-3.41.2, 4.0.0-4.21.3, 5.0.0-5.10.0, 6.0.0-6.11.0, 7.0.0-7.8.7, 8.0.0-8.0.7, 9.0.0-9.0.7, 9.1.0.

LifterLMS – WordPress LMS Plugin for eLearning <= 7.5.1 - Missing Authorization via process_review

The LifterLMS – WordPress LMS Plugin for eLearning plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'process_review' function in all versions up to, and including, 7.5.1. This makes it possible for unauthenticated attackers to publish an unrestricted number of reviews on the site.

LifterLMS – WordPress LMS Plugin for eLearning <= 7.6.2 - Authenticated (Contributor+) SQL Injection via Shortcode

The LifterLMS – WordPress LMS Plugin for eLearning plugin for WordPress is vulnerable to SQL Injection via the orderBy attribute of the lifterlms_favorites shortcode in all versions up to, and including, 7.6.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

LifterLMS <= 7.4.2 - Authenticated(Administrator+) Directory Traversal to Arbitrary CSV File Deletion

The LifterLMS – WordPress LMS Plugin for eLearning plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 7.4.2 via the maybe_serve_export function. This makes it possible for authenticated attackers, with administrator or LMS manager access and above, to read the contents of arbitrary CSV files on the server, which can contain sensitive information as well as removing those files from the server.

LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes <= 7.8.5 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post Deletion

The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to arbitrary post deletion due to a missing capability check on the 'llms_delete_cert' action in all versions up to, and including, 7.8.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary posts.

LifterLMS <= 7.7.5 - Authenticated (Admin+) SQL Injection

The LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes plugin for WordPress is vulnerable to blind SQL Injection via the 'order' parameter in all versions up to, and including, 7.7.5 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes < 8.0.1 - Reflected XSS

The LifterLMS WordPress plugin before 8.0.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

LifterLMS PayPal < 1.4.0 - Reflected Cross-Site Scripting

The LifterLMS PayPal WordPress plugin before 1.4.0 does not sanitise and escape some parameters from the payment confirmation page before outputting them back in the page, leading to a Reflected Cross-Site Scripting issue

LifterLMS < 4.21.2 - Access Other Student Grades/Answers via IDOR

The LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades

LifterLMS < 4.21.1 - Authenticated Stored XSS in Edit Profile

The 'State' field of the Edit profile page of the LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress plugin before 4.21.1 is not properly sanitised when output in the About section of the profile page, leading to a stored Cross-Site Scripting issue. This could allow low privilege users (such as students) to elevate their privilege via an XSS attack when an admin will view their profile.

LifterLMS Wordpress plugin version below 3.37.15 is vulnerable to arbitrary file write leading to remote code execution

An issue was discovered in the LifterLMS plugin through 3.34.5 for WordPress. The upload_import function in the class.llms.admin.import.php script is prone to an unauthenticated options import vulnerability that could lead to privilege escalation (administrator account creation), website redirection, and stored XSS.