CVE-2016-0796
📋 TL;DR
CVE-2016-0796 affects WordPress mb.miniAudioPlayer plugin versions up to 1.7.6, allowing attackers to bypass security controls and download arbitrary audio files from the server. The vulnerability enables attackers to use the site as an open proxy to hide malicious traffic and access restricted files. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress Plugin mb.miniAudioPlayer
📦 What is this software?
Mb.miniaudioplayer by Mb.miniaudioplayer Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers download sensitive files from the server, use the site as a proxy for attacks on other targets, and potentially escalate to further server compromise.
Likely Case
Unauthorized file downloads of audio files and use of the site as an open proxy for scanning or attacking other systems.
If Mitigated
Limited to attempted exploitation attempts that are blocked by proper input validation and access controls.
🎯 Exploit Status
Exploitation requires minimal technical skill as the vulnerability is in input validation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.7.7 or later
Vendor Advisory: https://wordpress.org/plugins/mb-miniaudioplayer/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find mb.miniAudioPlayer. 4. Click 'Update Now' or manually update to version 1.7.7+. 5. Verify plugin is active and functioning.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the mb.miniAudioPlayer plugin until patched
Web application firewall rule
allBlock requests to the vulnerable plugin endpoints
🧯 If You Can't Patch
- Remove the plugin entirely from the WordPress installation
- Implement strict file access controls at the web server level
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > mb.miniAudioPlayer version. If version is 1.7.6 or lower, you are vulnerable.
Check Version:
wp plugin list --name=mb-miniaudioplayer --field=version
Verify Fix Applied:
After updating, verify the plugin version shows 1.7.7 or higher in WordPress admin.
📡 Detection & Monitoring
Log Indicators:
- Unusual requests to mb.miniAudioPlayer plugin endpoints
- Multiple file download attempts for .mp3, .mp4a, .wav, .ogg files
Network Indicators:
- Outbound proxy traffic from your server to external targets
- Unusual file download patterns
SIEM Query:
source="web_server_logs" AND (uri CONTAINS "mb.miniaudioplayer" OR uri CONTAINS "audio-player") AND (status=200 OR status=403)
🔗 References
- http://www.vapidlabs.com/advisory.php?v=162
- https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-mb-miniaudioplayer-an-html5-audio-player-for-your-mp3-files-multiple-vulnerabilities-1-7-6/
- http://www.vapidlabs.com/advisory.php?v=162
- https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-mb-miniaudioplayer-an-html5-audio-player-for-your-mp3-files-multiple-vulnerabilities-1-7-6/