CVE-2025-15043
📋 TL;DR
The Events Calendar WordPress plugin has an authorization bypass vulnerability that allows authenticated users with subscriber-level access or higher to manipulate database migration functions. Attackers can start, cancel, or revert database migrations, potentially dropping custom database tables entirely. This affects all WordPress sites using The Events Calendar plugin up to version 6.15.13.
💻 Affected Systems
- The Events Calendar 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
Complete loss of events data through database table deletion, causing website functionality disruption and data loss requiring restoration from backups.
Likely Case
Unauthorized database migration operations causing temporary service disruption and potential data corruption.
If Mitigated
Minimal impact with proper access controls and monitoring, limited to authorized administrative actions only.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once authenticated. Subscriber-level access is sufficient.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.15.13.1
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?old_path=/the-events-calendar/tags/6.15.13&new_path=/the-events-calendar/tags/6.15.13.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find The Events Calendar plugin. 4. Click 'Update Now' if available, or manually update to version 6.15.13.1. 5. Verify successful update.
🔧 Temporary Workarounds
Temporary Access Restriction
allRestrict user registration and review existing user accounts to minimize attack surface.
🧯 If You Can't Patch
- Implement strict user access controls and review all user accounts with subscriber or higher privileges.
- Enable database backup automation and monitor for unauthorized database migration activities.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > The Events Calendar version. If version is 6.15.13 or lower, you are vulnerable.Check Version:
wp plugin list --name='the-events-calendar' --field=versionVerify Fix Applied:
Verify The Events Calendar plugin version is 6.15.13.1 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to migration endpoints
- Database migration operations from non-admin users
- Unexpected database table modifications
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with migration-related actions from non-admin users
SIEM Query:
source="wordpress.log" AND (action="start_migration" OR action="cancel_migration" OR action="revert_migration") AND user_role!="administrator"