CVE-2026-42730 WordPress MasterStudy LMS plugin <= 3.7.29 - SQL Injection vulnerability
Attackers can perform blind SQL injection to read sensitive database information from the MasterStudy LMS WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42730?
CVE-2026-42730 is a high-severity SQL injection vulnerability in Stylemix MasterStudy LMS, published on 27 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stylemix MasterStudy LMS masterstudy-lms-learning-management-system allows Blind SQL Injection.This issue affects MasterStudy LMS: from n/a through <= 3.7.29.
Weakness: CWE-89
Which versions are affected by CVE-2026-42730?
How do I fix CVE-2026-42730?
No fix has been published for CVE-2026-42730 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-42730 being exploited?
There is no known exploitation of CVE-2026-42730 in the wild and no public exploit code.
Sources
Also known as GHSA-m566-c35v-7wr3.