CVE-2026-1219
📋 TL;DR
This vulnerability allows unauthenticated attackers to view private WordPress posts by exploiting an insecure direct object reference in the MP3 Audio Player plugin. The flaw exists in the 'load_track_note_ajax' function which lacks proper validation of user-controlled parameters. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- MP3 Audio Player – Music Player, Podcast Player & Radio by Sonaar 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 systematically enumerate and exfiltrate all private content from the WordPress site, potentially exposing sensitive information intended for limited audiences.
Likely Case
Attackers discover and view private posts that should be restricted, violating content privacy controls and potentially exposing confidential information.
If Mitigated
With proper access controls and validation, the impact is limited to attempted unauthorized access that gets blocked.
🎯 Exploit Status
The vulnerability requires no authentication and involves simple parameter manipulation, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.11 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3453076/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'MP3 Audio Player – Music Player, Podcast Player & Radio by Sonaar'. 4. Click 'Update Now' if available. 5. Alternatively, download version 5.11+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the MP3 Audio Player plugin until patched
wp plugin deactivate mp3-music-player-by-sonaar
Restrict AJAX endpoints
linuxUse web application firewall or .htaccess to restrict access to vulnerable AJAX endpoints
# Add to .htaccess:
<Files "admin-ajax.php">
Require all denied
</Files>
# Then selectively allow only necessary AJAX calls
🧯 If You Can't Patch
- Implement strict access controls at the web server level to restrict AJAX requests
- Monitor logs for unusual access patterns to admin-ajax.php with suspicious parameters
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > MP3 Audio Player plugin version. If version is between 4.0 and 5.10 inclusive, the system is vulnerable.Check Version:
wp plugin get mp3-music-player-by-sonaar --field=versionVerify Fix Applied:
Verify plugin version is 5.11 or higher. Test the AJAX endpoint with manipulated parameters to confirm proper access controls are enforced.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with 'action=load_track_note_ajax' and manipulated parameters
- Multiple failed attempts to access private content via AJAX
Network Indicators:
- HTTP POST requests to admin-ajax.php with suspicious parameter values from unauthenticated sources
SIEM Query:
source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND method="POST" AND params.action="load_track_note_ajax" AND (user_agent NOT CONTAINS "WordPress" OR auth_status="unauthenticated")🔗 References
- https://plugins.trac.wordpress.org/browser/mp3-music-player-by-sonaar/tags/5.10/public/class-sonaar-music-public.php#L323
- https://plugins.trac.wordpress.org/browser/mp3-music-player-by-sonaar/tags/5.10/sonaar-music.php#L179
- https://plugins.trac.wordpress.org/changeset/3453076/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ce8fa964-d543-4d46-a534-e403dff4f425?source=cve
