CVE-2025-1662
📋 TL;DR
The URL Media Uploader WordPress plugin has a Server-Side Request Forgery (SSRF) vulnerability that allows authenticated attackers with author-level permissions or higher to make arbitrary web requests from the vulnerable server. This can be used to query internal services, potentially exposing sensitive information or modifying data. All WordPress sites using this plugin version 1.0.0 or earlier are affected.
💻 Affected Systems
- URL Media Uploader WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access internal services, retrieve sensitive data from internal APIs, perform port scanning of internal networks, or interact with cloud metadata services to obtain credentials.
Likely Case
Attackers with author accounts could probe internal networks, access internal web applications, or retrieve information from services that shouldn't be publicly accessible.
If Mitigated
With proper network segmentation and authentication controls, impact is limited to the specific internal services the web server can reach.
🎯 Exploit Status
Exploitation requires authenticated access with author-level permissions or higher. The vulnerability is in the 'url_media_uploader_url_upload' action handler.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Vendor Advisory: https://wordpress.org/plugins/url-media-uploader/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'URL Media Uploader'. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.0.1+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate url-media-uploader
Restrict User Roles
allRemove author-level permissions from untrusted users
🧯 If You Can't Patch
- Implement network segmentation to restrict web server access to internal services
- Deploy web application firewall rules to block SSRF patterns in plugin requests
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for URL Media Uploader version 1.0.0 or earlier
Check Version:
wp plugin get url-media-uploader --field=version
Verify Fix Applied:
Verify plugin version is 1.0.1 or later in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server to internal IPs
- Multiple failed media upload attempts via URL
- Requests to 'url_media_uploader_url_upload' action with unusual URLs
Network Indicators:
- Web server making unexpected outbound HTTP requests
- Requests to internal services from web server IP
SIEM Query:
source="web_server_logs" AND (uri="*url_media_uploader_url_upload*" OR user_agent="*WordPress*" AND uri="*upload*" AND (dst_ip="10.*" OR dst_ip="172.16.*" OR dst_ip="192.168.*"))