CVE-2025-32237
📋 TL;DR
A missing authorization vulnerability in Stylemix MasterStudy LMS WordPress plugin allows attackers to bypass intended access controls. This affects all WordPress sites running MasterStudy LMS versions up to 3.5.23, potentially allowing unauthorized access to restricted functionality.
💻 Affected Systems
- MasterStudy LMS WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access administrative functions, modify course content, view sensitive student data, or manipulate user accounts without proper authorization.
Likely Case
Unauthorized users accessing restricted LMS features they shouldn't have permission to use, potentially viewing or modifying course materials.
If Mitigated
Proper access controls would prevent unauthorized access, limiting users to only their assigned roles and permissions.
🎯 Exploit Status
Exploitation requires some level of access but bypasses authorization checks for specific functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.5.24 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find MasterStudy LMS
4. Click 'Update Now' if available
5. If not, download latest version from WordPress repository
6. Deactivate old version
7. Upload and activate new version
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate masterstudy-lms-learning-management-system
Access Restriction via .htaccess
linuxRestrict access to plugin directories
Order Deny,Allow
Deny from all
🧯 If You Can't Patch
- Implement strict network segmentation to isolate WordPress installation
- Enable detailed logging and monitoring for unauthorized access attempts to LMS functions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > MasterStudy LMS versionCheck Version:
wp plugin get masterstudy-lms-learning-management-system --field=versionVerify Fix Applied:
Confirm plugin version is 3.5.24 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to LMS admin endpoints
- User role escalation attempts
- Access to restricted course management functions
Network Indicators:
- Unusual API calls to /wp-content/plugins/masterstudy-lms/ endpoints
SIEM Query:
source="wordpress.log" AND ("masterstudy-lms" OR "masterstudy_lms") AND ("admin" OR "unauthorized" OR "permission denied")