CVE-2026-2363
📋 TL;DR
This SQL injection vulnerability in the WP-Members Membership Plugin for WordPress allows authenticated attackers with Contributor-level access or higher to inject malicious SQL queries via the 'order_by' parameter in the [wpmem_user_membership_posts] shortcode. This can lead to unauthorized data extraction from the database, potentially exposing sensitive user information, membership details, or other stored data. All WordPress sites using WP-Members plugin versions up to 3.5.5.1 are affected.
💻 Affected Systems
- WP-Members Membership Plugin for WordPress
⚠️ 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
Complete database compromise allowing extraction of all sensitive data including user credentials, payment information, and administrative access leading to site takeover.
Likely Case
Extraction of user data, membership information, and potentially other plugin/theme data stored in the database.
If Mitigated
Limited data exposure if database permissions are properly restricted and sensitive data is encrypted.
🎯 Exploit Status
Exploitation requires authenticated access but uses simple SQL injection techniques. The vulnerability is well-documented in public sources.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 3.5.5.1
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3468716/wp-members/trunk/includes/class-wp-members-products.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP-Members Membership Plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress plugin repository and replace existing files.
🔧 Temporary Workarounds
Disable vulnerable shortcode
allRemove or disable the [wpmem_user_membership_posts] shortcode from all posts/pages/widgets
Restrict user roles
allTemporarily remove Contributor and higher roles from untrusted users
🧯 If You Can't Patch
- Implement WAF rules to block SQL injection patterns in POST/GET parameters
- Apply principle of least privilege to database user accounts and encrypt sensitive data
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WP-Members version. If version is 3.5.5.1 or lower, you are vulnerable.Check Version:
wp plugin list --name=wp-members --field=version (if WP-CLI installed)Verify Fix Applied:
After updating, verify plugin version shows higher than 3.5.5.1 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by SQL errors
- POST/GET requests with SQL keywords in order_by parameter
Network Indicators:
- HTTP requests containing SQL injection patterns in order_by parameter
- Unusual database connection patterns from web server
SIEM Query:
SELECT * FROM web_logs WHERE url_query LIKE '%order_by%' AND (url_query LIKE '%UNION%' OR url_query LIKE '%SELECT%' OR url_query LIKE '%INSERT%' OR url_query LIKE '%UPDATE%' OR url_query LIKE '%DELETE%')🔗 References
- https://plugins.trac.wordpress.org/browser/wp-members/tags/3.5.5.1/includes/class-wp-members-products.php#L490
- https://plugins.trac.wordpress.org/browser/wp-members/tags/3.5.5.1/includes/class-wp-members-products.php#L496
- https://plugins.trac.wordpress.org/changeset/3468716/wp-members/trunk/includes/class-wp-members-products.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/2a47e3cc-9435-4e9c-8d9a-9eb5014d229f?source=cve
