CVE-2025-6065
📋 TL;DR
The Image Resizer On The Fly WordPress plugin contains an arbitrary file deletion vulnerability that allows unauthenticated attackers to delete any file on the server. This affects all versions up to and including 1.1, potentially leading to remote code execution by deleting critical files like wp-config.php. WordPress sites using this vulnerable plugin are at immediate risk.
💻 Affected Systems
- Image Resizer On The Fly 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
Complete site compromise through remote code execution by deleting wp-config.php or other critical files, leading to data loss, defacement, or backdoor installation.
Likely Case
Site disruption or downtime from deletion of important files, potentially enabling further exploitation through file manipulation.
If Mitigated
Limited impact if proper file permissions and web application firewalls block unauthorized file operations.
🎯 Exploit Status
Exploitation requires minimal technical skill due to unauthenticated access and simple file path manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2 or later
Vendor Advisory: https://wordpress.org/plugins/image-resizer-on-the-fly/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Image Resizer On The Fly' and update to version 1.2+. 4. If update not available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable Plugin
allDeactivate the vulnerable plugin to prevent exploitation
wp plugin deactivate image-resizer-on-the-fly
Web Application Firewall Rule
allBlock requests to the vulnerable endpoint
Add rule to block requests containing 'delete' parameter to image-resizer-on-the-fly endpoint
🧯 If You Can't Patch
- Deactivate and remove the Image Resizer On The Fly plugin immediately
- Implement strict file permissions (644 for files, 755 for directories) and disable PHP execution in upload directories
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Image Resizer On The Fly' version 1.1 or earlierCheck Version:
wp plugin get image-resizer-on-the-fly --field=versionVerify Fix Applied:
Verify plugin version is 1.2 or later in WordPress admin, or confirm plugin is deactivated/removed📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /wp-content/plugins/image-resizer-on-the-fly/ with 'delete' parameter
- File deletion events in system logs for web-accessible paths
Network Indicators:
- POST/GET requests containing file paths in parameters to plugin endpoints
SIEM Query:
source="web_access.log" AND uri="/wp-content/plugins/image-resizer-on-the-fly/" AND (param="delete" OR param="task=delete")