CVE-2025-66054
📋 TL;DR
This CVE describes a missing authorization vulnerability in the LearnPress WordPress plugin that allows attackers to bypass access controls and perform unauthorized actions. It affects all LearnPress installations running versions up to and including 4.2.9.4. WordPress site administrators using this plugin are at risk.
💻 Affected Systems
- ThimPress LearnPress 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 compromise the entire WordPress installation through privilege escalation.
Likely Case
Unauthorized users could access restricted course materials, modify course settings, or view private student information they shouldn't have access to.
If Mitigated
With proper network segmentation and additional authorization layers, impact would be limited to the LearnPress plugin functionality only.
🎯 Exploit Status
Exploitation requires some level of user access but can be chained with other vulnerabilities. The access control bypass is straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.2.9.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find LearnPress and click 'Update Now'. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable LearnPress Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate learnpress
Restrict Access via Web Application Firewall
allAdd WAF rules to block suspicious LearnPress API requests
🧯 If You Can't Patch
- Implement strict network segmentation to isolate WordPress installation
- Add additional authorization checks via custom code or security plugins
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → LearnPress version numberCheck Version:
wp plugin get learnpress --field=versionVerify Fix Applied:
Verify LearnPress version is 4.2.9.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to LearnPress admin endpoints
- Unexpected user role changes in WordPress logs
- Suspicious course or user modifications
Network Indicators:
- Unusual API calls to /wp-json/learnpress/* endpoints
- Requests bypassing normal authentication flows
SIEM Query:
source="wordpress" AND (uri_path="/wp-json/learnpress/*" OR plugin="learnpress") AND (user_role_changed OR unauthorized_access)