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CVE-2021-24562

HIGH 7.5 CVSS 3.1
Published
August 23, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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

Affected WordPress components

  • LifterLMS – WP LMS for eLearning, Online Courses, & Quizzes Plugin · lifterlms
    Confirmed match Active
    Before 4.21.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress — From 4.21.2 (including) to 4.21.2 (excluding)
  • lifterlms lifterlms — Before 4.21.2

References

  • make.lifterlms.com https://make.lifterlms.com/2021/05/17/lifterlms-version-4-21-2/ Release Notes, Vendor Advisory
  • wpscan.com https://wpscan.com/vulnerability/d45bb744-4a0d-4af0-aa16-71f7e3ea6e00 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record