CVE-2025-58000
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Memberful WordPress plugin that allows attackers to access functionality not properly constrained by access control lists. It affects all Memberful plugin versions up to 1.75.0, potentially allowing unauthorized users to access member-only content or administrative functions.
💻 Affected Systems
- Memberful 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 sensitive member data, modify subscription settings, or perform administrative actions without authorization, potentially leading to data breach or service disruption.
Likely Case
Unauthorized access to premium content or member-only features, potentially allowing content theft or subscription bypass.
If Mitigated
With proper access controls and authentication mechanisms in place, impact would be limited to attempted unauthorized access that gets blocked.
🎯 Exploit Status
Exploitation requires understanding of the plugin's API endpoints and access control mechanisms. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.76.0 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Memberful plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Access Restriction
allImplement web application firewall rules to restrict access to Memberful API endpoints to authenticated users only.
🧯 If You Can't Patch
- Disable the Memberful plugin until patching is possible
- Implement additional authentication layer for Memberful endpoints using .htaccess or web server configuration
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Memberful version. If version is 1.75.0 or lower, system is vulnerable.Check Version:
wp plugin list --name=memberful --field=versionVerify Fix Applied:
After updating, verify Memberful plugin version shows 1.76.0 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-json/memberful/ endpoints
- 403 Forbidden errors for authenticated users accessing Memberful content
- Unusual API calls to membership-related endpoints
Network Indicators:
- HTTP requests to Memberful API endpoints without proper authentication headers
- Unusual traffic patterns to /wp-json/memberful/* endpoints
SIEM Query:
source="wordpress.log" AND ("memberful" AND ("403" OR "unauthorized"))