CVE-2025-3431
📋 TL;DR
This vulnerability allows unauthenticated attackers to read arbitrary files on WordPress servers running the ZoomSounds plugin. Attackers can access sensitive files like configuration files, passwords, or database credentials. All WordPress sites using ZoomSounds plugin versions up to 6.91 are affected.
💻 Affected Systems
- ZoomSounds - WordPress Wave Audio Player with Playlist
📦 What is this software?
Zoomsounds by Digitalzoomstudio
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise through reading sensitive configuration files (like wp-config.php containing database credentials), leading to database access, site takeover, or lateral movement.
Likely Case
Exposure of sensitive information including database credentials, API keys, user data, and other configuration files that could enable further attacks.
If Mitigated
Limited to reading non-sensitive files if proper file permissions and web server configurations restrict access to critical system files.
🎯 Exploit Status
Simple HTTP request to vulnerable endpoint with file path parameter. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 6.91
Vendor Advisory: https://codecanyon.net/item/zoomsounds-wordpress-wave-audio-player-with-playlist/6181433
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find ZoomSounds plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin immediately.
🔧 Temporary Workarounds
Block vulnerable endpoint via .htaccess
linuxPrevent access to the vulnerable dzsap_download action
RewriteEngine On
RewriteRule ^.*dzsap_download.*$ - [F,L]
Disable plugin
allTemporarily disable ZoomSounds plugin until patched
wp plugin deactivate zoomsounds
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block requests containing 'dzsap_download' parameter
- Restrict file system permissions and implement proper directory traversal protections at web server level
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for ZoomSounds version. If version is 6.91 or lower, you are vulnerable.Check Version:
wp plugin list --name=zoomsounds --field=versionVerify Fix Applied:
After updating, verify plugin version is above 6.91. Test by attempting to access /wp-admin/admin-ajax.php?action=dzsap_download&file=../../wp-config.php - should return error or no file content.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing 'action=dzsap_download' in query string
- Multiple 200 OK responses to admin-ajax.php with unusual file paths
Network Indicators:
- Unusual outbound traffic from WordPress server after file read attempts
- Patterns of requests to admin-ajax.php with file traversal sequences (../)
SIEM Query:
source="web_access_logs" AND uri="*/admin-ajax.php*" AND query="*dzsap_download*"