CVE-2025-31782
📋 TL;DR
This CVE describes a missing authorization vulnerability in the mb.YTPlayer WordPress plugin that allows attackers to bypass access controls. Attackers can exploit incorrectly configured security levels to perform unauthorized actions. This affects all WordPress sites running mb.YTPlayer versions up to 3.3.8.
💻 Affected Systems
- mb.YTPlayer 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 modify plugin settings, inject malicious content, or potentially gain administrative access to affected WordPress sites.
Likely Case
Unauthorized users can change YouTube player settings, embed malicious content, or disrupt site functionality.
If Mitigated
With proper access controls and authentication requirements, impact is limited to authorized users only.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 3.3.8
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find mb.YTPlayer and update to latest version. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wpmbytplayer
Restrict Access
linuxImplement IP-based restrictions to plugin admin pages
Add to .htaccess: Order deny,allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access to plugin endpoints
- Enable WordPress security plugins that monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for mb.YTPlayer version 3.3.8 or earlierCheck Version:
wp plugin list --name=wpmbytplayer --field=versionVerify Fix Applied:
Verify mb.YTPlayer plugin version is higher than 3.3.8 in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/admin-ajax.php with mb.ytplayer actions
- Multiple failed authentication attempts followed by successful plugin configuration changes
Network Indicators:
- Unusual traffic patterns to plugin-specific endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND action="mb.ytplayer") AND user="unauthenticated"