CVE-2021-24181
CWE-89Published: April 5, 2021· Updated: Jun 17, 2026
Official Description
The tutor_mark_answer_as_correct AJAX action from the Tutor LMS – eLearning and online course solution WordPress plugin before 1.7.7 was vulnerable to blind and time based SQL injections that could be exploited by students.
Technical Analysis
CVE-2021-24181 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.
From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-89)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-24181 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts