What’s Vulnerable › Vulnerabilities

CVE-2021-24183: Tutor LMS < 1.8.3 - SQL Injection via tutor_quiz_builder_get_question_form

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-05 · updated 2026-06-17
• Weakness: CWE-89

Description

The tutor_quiz_builder_get_question_form AJAX action from the Tutor LMS – eLearning and online course solution WordPress plugin before 1.8.3 was vulnerable to UNION based SQL injection that could be exploited by students.

Affected products

• themeum Tutor LMS – eLearning and online course solution: before 1.8.3 — fixed in 1.8.3

How to fix

Upgrade to a fixed version: themeum Tutor LMS – eLearning and online course solution 1.8.3. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/9b8da6b7-f1d6-4a7d-a621-4ca01e4b7496
• https://www.wordfence.com/blog/2021/03/several-vulnerabilities-patched-in-tutor-lms-plugin/
• https://wpscan.com/vulnerability/9b8da6b7-f1d6-4a7d-a621-4ca01e4b7496
• https://www.wordfence.com/blog/2021/03/several-vulnerabilities-patched-in-tutor-lms-plugin/

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