CVE-2025-13069
📋 TL;DR
The Enable SVG, WebP, and ICO Upload WordPress plugin allows authenticated attackers with author-level access or higher to upload arbitrary files due to insufficient ICO file validation. This vulnerability affects all versions up to 1.1.2 and could lead to remote code execution on vulnerable WordPress sites.
💻 Affected Systems
- Enable SVG, WebP, and ICO Upload 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
Remote code execution leading to complete server compromise, data theft, malware distribution, or site defacement.
Likely Case
Unauthorized file upload leading to webshell installation, backdoor persistence, or limited server access.
If Mitigated
Attackers can upload malicious files but execution is prevented by proper file permissions and security controls.
🎯 Exploit Status
Exploitation requires author-level WordPress credentials. Attack involves uploading files with double extensions containing ICO magic bytes.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.3 or later
Vendor Advisory: https://wordpress.org/plugins/enable-svg-webp-ico-upload/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Enable SVG, WebP, and ICO Upload'. 4. Click 'Update Now' if available, or manually update to version 1.1.3+. 5. Verify plugin is active and functioning.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the plugin until patched
wp plugin deactivate enable-svg-webp-ico-upload
Restrict file uploads
linuxUse .htaccess or web server config to block uploads of suspicious file types
Add to .htaccess: <FilesMatch "\.(php|phtml|php3|php4|php5|php7|phps|phar|inc|pl|py|cgi|sh|bash|exe|dll|bat|cmd|js|jsp|asp|aspx)">
Order Allow,Deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Remove author-level access from untrusted users
- Implement web application firewall rules to block file uploads with double extensions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Enable SVG, WebP, and ICO Upload' version 1.1.2 or lower
Check Version:
wp plugin get enable-svg-webp-ico-upload --field=version
Verify Fix Applied:
Verify plugin version is 1.1.3 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Multiple failed/successful file upload attempts by author-level users
- Uploads of files with double extensions (.ico.php, .ico.jpg)
Network Indicators:
- POST requests to /wp-admin/async-upload.php with ICO magic bytes in payload
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/async-upload.php" OR uri_path="/wp-admin/media-upload.php") AND http_method="POST" AND (file_extension="ico" OR content_type="image/x-icon")