CVE-2025-15476
📋 TL;DR
The Bucketlister WordPress plugin has an authorization vulnerability that allows authenticated users with Subscriber-level access or higher to add, delete, or modify arbitrary bucket list items. This affects all WordPress sites using the plugin up to version 0.1.5. The vulnerability stems from missing capability checks in the bucketlister_do_admin_ajax() function.
💻 Affected Systems
- WordPress Bucketlister 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
Malicious authenticated users could delete or modify all bucket list items, potentially disrupting business operations or defacing content.
Likely Case
Low-privilege users could tamper with bucket list data, causing data integrity issues and minor operational disruptions.
If Mitigated
With proper user access controls and monitoring, impact would be limited to unauthorized data modifications within the plugin's scope.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once authenticated. The vulnerability is publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.1.6 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/the-bucketlister/tags/0.1.6/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Bucketlister plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version 0.1.6+ from WordPress repository.
🔧 Temporary Workarounds
Disable plugin
allTemporarily deactivate the Bucketlister plugin until patched
wp plugin deactivate the-bucketlister
Restrict user roles
allLimit Subscriber and other low-privilege accounts until patch applied
🧯 If You Can't Patch
- Implement strict user access controls and monitor for unusual bucket list modifications
- Consider disabling the plugin entirely if not essential for operations
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Bucketlister version. If version is 0.1.5 or earlier, you are vulnerable.Check Version:
wp plugin get the-bucketlister --field=versionVerify Fix Applied:
After update, verify Bucketlister plugin version shows 0.1.6 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual bucket list modifications from low-privilege users
- Multiple bucketlister_do_admin_ajax requests from single user
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with bucketlister actions
SIEM Query:
source="wordpress.log" AND "bucketlister_do_admin_ajax" AND (user_role="subscriber" OR user_role="contributor")