CVE-2025-10648
📋 TL;DR
The YourMembership SSO Login WordPress plugin has an authorization vulnerability that allows unauthenticated attackers to access profile data from the latest SSO login. This affects all WordPress sites using the plugin version 1.1.7 or earlier. The vulnerability stems from missing capability checks in the 'moym_display_test_attributes' function.
💻 Affected Systems
- YourMembership Single Sign On – YM SSO Login 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 harvest sensitive user profile information including potentially personal data, email addresses, and authentication details from SSO logins.
Likely Case
Unauthenticated attackers reading user profile data, potentially enabling reconnaissance for further attacks or data harvesting.
If Mitigated
Limited exposure if plugin is disabled or patched, with minimal impact to core WordPress functionality.
🎯 Exploit Status
The vulnerability requires no authentication and appears to be straightforward to exploit based on the code references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.1.8 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/login-with-yourmembership/trunk/class-moym-sso.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'YourMembership Single Sign On – YM SSO Login'. 4. Click 'Update Now' if available, or manually update to version 1.1.8+. 5. Verify the plugin is active and functioning.
🔧 Temporary Workarounds
Disable vulnerable plugin
WordPressTemporarily deactivate the plugin until patched
wp plugin deactivate login-with-yourmembership
🧯 If You Can't Patch
- Disable the YourMembership SSO Login plugin immediately
- Implement web application firewall rules to block access to vulnerable endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'YourMembership Single Sign On – YM SSO Login' version 1.1.7 or earlierCheck Version:
wp plugin get login-with-yourmembership --field=versionVerify Fix Applied:
Verify plugin version is 1.1.8 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual access to /wp-admin/admin-ajax.php with action=moym_display_test_attributes
- Multiple unauthenticated requests to plugin endpoints
Network Indicators:
- HTTP POST requests to admin-ajax.php with moym_display_test_attributes parameter from unauthenticated sources
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND parameters CONTAINS "moym_display_test_attributes")🔗 References
- https://plugins.trac.wordpress.org/browser/login-with-yourmembership/trunk/class-moym-sso.php#L112
- https://plugins.trac.wordpress.org/browser/login-with-yourmembership/trunk/class-moym-sso.php#L88
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1bb25412-8f63-4a9d-84bd-44fac59c6eed?source=cve
