CVE-2025-14045
📋 TL;DR
The URL Media Uploader WordPress plugin allows authenticated users with Contributor-level access or higher to upload safe media files without proper authorization checks. This vulnerability affects all versions up to and including 1.0.1, enabling unauthorized file uploads through the url_media_uploader_url_upload_ajax_handler() function.
💻 Affected Systems
- WordPress URL Media Uploader 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 upload malicious files disguised as safe media, potentially leading to content injection, defacement, or serving of malicious content to site visitors.
Likely Case
Unauthorized users upload legitimate media files to WordPress sites without permission, potentially consuming storage resources or posting unwanted content.
If Mitigated
With proper user role management and file validation, impact is limited to authorized uploads only.
🎯 Exploit Status
Exploitation requires authenticated access with at least Contributor privileges. The vulnerability is well-documented with public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/url-media-uploader/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find URL Media Uploader plugin
4. Click 'Update Now' if update available
5. If no update available, deactivate and remove the plugin
🔧 Temporary Workarounds
Disable vulnerable plugin
allDeactivate the URL Media Uploader plugin to prevent exploitation
wp plugin deactivate url-media-uploader
Restrict user roles
allLimit users with Contributor role or higher to trusted individuals only
🧯 If You Can't Patch
- Remove Contributor and higher roles from untrusted users
- Implement web application firewall rules to block requests to the vulnerable AJAX endpoint
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → URL Media Uploader version. If version is 1.0.1 or earlier, you are vulnerable.Check Version:
wp plugin get url-media-uploader --field=versionVerify Fix Applied:
Verify plugin version is 1.0.2 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload activity from Contributor-level users
- Requests to /wp-admin/admin-ajax.php with action=url_media_uploader_url_upload
Network Indicators:
- POST requests to WordPress AJAX endpoints with media upload parameters
SIEM Query:
source="wordpress.log" AND ("url_media_uploader" OR "admin-ajax.php") AND ("upload" OR "media")🔗 References
- https://gist.github.com/jasoncarle/925401bb11833b1ced2342390e20718e
- https://plugins.trac.wordpress.org/browser/url-media-uploader/tags/1.0.1/url-media-uploader.php#L52
- https://plugins.trac.wordpress.org/browser/url-media-uploader/trunk/url-media-uploader.php#L52
- https://www.wordfence.com/threat-intel/vulnerabilities/id/57f09da9-0d2c-45db-b3ed-19a7c9f5a001?source=cve
- https://gist.github.com/jasoncarle/925401bb11833b1ced2342390e20718e
