CVE-2025-28948
📋 TL;DR
This CSRF vulnerability in the Mediabay WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions, which can lead to reflected XSS attacks. It affects all WordPress sites using Mediabay - WordPress Media Library Folders plugin versions up to 1.4. Attackers can exploit this to inject malicious scripts that execute in administrators' browsers.
💻 Affected Systems
- Mediabay - WordPress Media Library Folders
⚠️ 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 compromise administrator accounts, inject persistent malware, deface websites, steal sensitive data, or gain full control of the WordPress installation.
Likely Case
Attackers would typically use this to inject malicious scripts that steal session cookies, redirect users to phishing sites, or perform unauthorized actions on behalf of administrators.
If Mitigated
With proper CSRF protections and content security policies, the impact would be limited to unsuccessful exploitation attempts logged in security monitoring systems.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into clicking a malicious link. The vulnerability combines CSRF with reflected XSS, making it easier to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Mediabay - WordPress Media Library Folders'. 4. Click 'Update Now' if available. 5. If no update is available, deactivate and delete the plugin, then install version 1.5+ from WordPress repository.
🔧 Temporary Workarounds
CSRF Protection Implementation
allImplement custom CSRF tokens for all plugin forms and actions
Add nonce verification to plugin PHP files: wp_verify_nonce($_POST['_wpnonce'], 'action_name')
Content Security Policy
allImplement strict CSP headers to prevent XSS execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'");
🧯 If You Can't Patch
- Disable or remove the Mediabay plugin immediately
- Implement web application firewall rules to block CSRF attempts targeting the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Mediabay - WordPress Media Library Folders version. If version is 1.4 or lower, you are vulnerable.Check Version:
wp plugin list --name='Mediabay - WordPress Media Library Folders' --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 1.5 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Multiple failed CSRF token validations from same IP
- Unusual POST requests to /wp-admin/admin-ajax.php with mediabay actions
- XSS payload patterns in query parameters or POST data
Network Indicators:
- HTTP requests with missing or invalid CSRF tokens to plugin endpoints
- Suspicious redirects or script injections in responses
SIEM Query:
source="wordpress.log" AND ("mediabay" OR "admin-ajax.php") AND ("csrf" OR "nonce" OR "xss" OR "script")