CVE-2025-49414
📋 TL;DR
This vulnerability allows attackers to upload malicious files to WordPress sites running FW Gallery plugin. Attackers can upload dangerous file types like PHP scripts, potentially leading to complete system compromise. All WordPress sites using FW Gallery versions up to 8.0.0 are affected.
💻 Affected Systems
- FW Gallery 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
Full server compromise via remote code execution, data theft, site defacement, and malware distribution.
Likely Case
Webshell upload leading to unauthorized access, data exfiltration, and further attacks on the WordPress environment.
If Mitigated
Limited impact if file uploads are restricted at web server level or WAF blocks malicious uploads.
🎯 Exploit Status
Simple file upload exploitation with public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.0.1 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/fw-gallery/vulnerability/wordpress-fw-gallery-8-0-0-arbitrary-file-upload-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find FW Gallery and click 'Update Now'. 4. Verify version is 8.0.1 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable FW Gallery plugin until patched
wp plugin deactivate fw-gallery
Restrict File Uploads
linuxConfigure web server to block uploads of executable files
# Add to .htaccess for Apache:
<FilesMatch "\.(php|phtml|php3|php4|php5|php7|phps|php8|inc|pl|py|jsp|asp|aspx|cgi|sh|bash|exe|dll|bat|cmd|ps1|psm1|psd1|vbs|vbe|js|jse|wsf|wsh|msc|jar|war|ear|sh|bash|zsh|ksh|csh|tcsh|fish)$">
Order Allow,Deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Remove upload directory write permissions for web server user
- Implement web application firewall rules to block malicious file uploads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for FW Gallery version
Check Version:
wp plugin get fw-gallery --field=version
Verify Fix Applied:
Verify FW Gallery version is 8.0.1 or higher in WordPress admin
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to gallery directories
- POST requests to upload endpoints with suspicious file extensions
Network Indicators:
- HTTP POST requests to /wp-content/plugins/fw-gallery/ upload endpoints
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/fw-gallery/" AND method="POST" AND (file_extension="php" OR file_extension="exe" OR file_extension="sh"))