CVSS v3
7.5
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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
Technical details
- Published
- 2021-08-23
Frequently asked questions
What is CVE-2021-24562?
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
Is CVE-2021-24562 actively exploited?
Active exploitation of CVE-2021-24562 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-24562?
CVE-2021-24562 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-24562 affecting your environment?
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