SQL Injection in Stylemix Masterstudy Lms Wordpress Plugin – For Online Courses And Education

CVE-2026-4817

The MasterStudy LMS WordPress Plugin for Online Courses and Education plugin for WordPress is vulnerable to Time-based Blind SQL Injection via the 'order' and 'orderby' parameters in the /lms/stm-lms/order/items REST API endpoint in versio…

Vulnerability class: SQL Injection

EPSS: 0.000 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-4817?
CVE-2026-4817 is a medium-severity vulnerability in Stylemix Masterstudy Lms Wordpress Plugin – For Online Courses And Education, classified under SQL Injection. CVSS score: 6.5/10. Published 2026-04-17.
How severe is CVE-2026-4817?
Medium severity. CVSS v3 base score is 6.5 out of 10.