CVE-2025-64212
📋 TL;DR
This CVE describes a missing authorization vulnerability in the MasterStudy LMS Pro WordPress plugin that allows attackers to bypass access controls and perform unauthorized actions. The vulnerability affects all versions before 4.7.16 of the plugin, potentially impacting WordPress sites using this learning management system.
💻 Affected Systems
- StyleMixThemes MasterStudy LMS Pro 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 modify course content, access sensitive student data, manipulate user roles, or disrupt the entire learning management system functionality.
Likely Case
Unauthorized users could access restricted course materials, view private student information, or perform limited administrative actions they shouldn't have permission for.
If Mitigated
With proper access controls and network segmentation, impact would be limited to the WordPress application layer without compromising underlying systems.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and access control mechanisms, but no authentication is needed to attempt exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.7.16
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find MasterStudy LMS Pro. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 4.7.16+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
WordPressDisable the vulnerable plugin until patching is possible
wp plugin deactivate masterstudy-lms-learning-management-system-pro
Web Application Firewall Rules
allImplement WAF rules to block suspicious access patterns to MasterStudy LMS endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the WordPress admin interface
- Enable detailed logging and monitoring for unauthorized access attempts to MasterStudy LMS endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → MasterStudy LMS Pro → check version number. If version is below 4.7.16, system is vulnerable.Check Version:
wp plugin get masterstudy-lms-learning-management-system-pro --field=versionVerify Fix Applied:
After updating, verify plugin version shows 4.7.16 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to /wp-content/plugins/masterstudy-lms-learning-management-system-pro/
- Multiple failed authorization attempts followed by successful access to restricted endpoints
- User role changes or unauthorized course modifications
Network Indicators:
- HTTP requests to MasterStudy LMS admin endpoints from unauthorized IP addresses
- Unusual API calls to LMS functionality from unauthenticated sources
SIEM Query:
source="wordpress.log" AND ("masterstudy-lms" OR "masterstudy-lms-learning-management-system-pro") AND ("unauthorized" OR "access denied" OR "permission" OR "admin")