WP Courses <= 2.0.28 - Improper Access Controls

7.5
Improper Access Control
CVE CVE-2020-26876
CVSS 7.5 (High)
Publicly Published September 28, 2020
Last Updated January 25, 2023
Researcher Red Timmy

Description

The wp-courses plugin through 2.0.27 for WordPress allows remote attackers to bypass the intended payment step (for course videos and materials) by using the /wp-json REST API, as exploited in the wild in September 2020. This occurs because show_in_rest is enabled for custom post types (e.g., /wp-json/wp/v2/course and /wp-json/wp/v2/lesson exist).

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Vulnerability Details for WP Courses LMS – Online Courses Builder, eLearning Courses, Courses Solution, Education Courses

Software Type Plugin
Software Slug wp-courses (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.0.29, or a newer patched version
Affected Version
  • <= 2.0.28
Patched Version
  • 2.0.29

Recent vulnerabilities in WP Courses LMS – Online Courses Builder, eLearning Courses, Courses Solution, Education Courses

# Title CVE ID CVSS Researchers Date
1 WP Courses LMS <= 3.2.29 - Insecure Direct Object Reference to Authenticated (Custom+) Sensitive Information Disclosure via 'resultID' Parameter CVE-2026-10630 4.3 Vapour August 24, 2026
2 WP Courses LMS – Online Courses Builder, eLearning Courses, Courses Solution, Education Courses <= 3.2.26 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-31914 6.4 Nguyen Duc Canh (canhnguyen26) March 23, 2026
3 WP Courses LMS – Online Courses Builder, eLearning Courses, Courses Solution, Education Courses <= 3.2.21 - Missing Authorization to Authenticated (Subscriber+) Arbitrary User Meta Update CVE-2024-12172 7.5 Thanh Nam Tran December 11, 2024
4 WP Courses LMS <= 3.2.3 - Missing Authorization 4.3 November 14, 2023
5 WP Courses LMS <= 3.2.3 - Cross-Site Request Forgery 4.3 November 14, 2023
6 WP Courses LMS <= 3.2.3 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Options Update 8.8 November 14, 2023
7 WP Courses LMS < 2.0.44 - Authenticated Stored Cross-Site Scripting CVE-2021-24621 4.8 Tri Wanda Septian August 16, 2021

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