CVE-2025-54744
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Stylemix MasterStudy LMS WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 3.6.15, potentially enabling unauthorized access to restricted functionality. WordPress sites using this plugin are vulnerable.
💻 Affected Systems
- Stylemix 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, access student data, or take over the LMS system.
Likely Case
Unauthorized users accessing restricted course materials, viewing private student information, or manipulating enrollment data.
If Mitigated
With proper access controls, impact is limited to attempted unauthorized access that gets logged and blocked.
🎯 Exploit Status
Requires understanding of WordPress plugin structure and access control mechanisms. Likely requires some authentication but with privilege escalation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.6.16 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 update available. 5. If no update shows, download version 3.6.16+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
WordPressDisable the vulnerable plugin until patched
wp plugin deactivate masterstudy-lms-learning-management-system
Access Restriction via .htaccess
ApacheRestrict access to plugin directories
Order Deny,Allow
Deny from all
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block suspicious access patterns to plugin endpoints
- Enable detailed logging and monitoring for unauthorized access attempts to restricted areas
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → MasterStudy LMS version. If version is 3.6.15 or lower, you are vulnerable.Check Version:
wp plugin get masterstudy-lms-learning-management-system --field=versionVerify Fix Applied:
Verify plugin version is 3.6.16 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-content/plugins/masterstudy-lms/ endpoints
- 403 errors followed by successful 200 responses to restricted URLs
- User privilege escalation in WordPress logs
Network Indicators:
- Unusual POST/GET requests to plugin-specific endpoints from unauthorized users
- Traffic patterns showing access to admin functions from non-admin accounts
SIEM Query:
source="wordpress.log" AND ("masterstudy-lms" OR "masterstudy_lms") AND (response_code=200 OR "admin" OR "unauthorized")