CVE-2023-36680
📋 TL;DR
This CVE describes a missing authorization vulnerability in the WordPress Image Regenerate & Select Crop plugin that allows attackers to exploit incorrectly configured access controls. Attackers could perform unauthorized actions that should require higher privileges. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- WordPress Image Regenerate & Select Crop 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 modify or delete images, potentially defacing websites or disrupting functionality that depends on image processing.
Likely Case
Unauthorized users could regenerate or crop images without proper permissions, potentially affecting site appearance or functionality.
If Mitigated
With proper access controls and authentication checks, only authorized users could perform image operations.
🎯 Exploit Status
The vulnerability involves missing authorization checks, which typically means simple HTTP requests can trigger the issue if the attacker knows the vulnerable endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 7.1.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Image Regenerate & Select Crop'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Image Regenerate & Select Crop plugin until patched
wp plugin deactivate image-regenerate-select-crop
Restrict plugin access
allUse WordPress roles and capabilities to restrict who can access plugin functionality
🧯 If You Can't Patch
- Implement web application firewall rules to block suspicious requests to plugin endpoints
- Enable detailed logging for all plugin-related activities and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'Image Regenerate & Select Crop' version 7.1.0 or earlierCheck Version:
wp plugin get image-regenerate-select-crop --field=versionVerify Fix Applied:
Verify plugin version is higher than 7.1.0 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/admin-ajax.php with action parameters related to image regeneration
- Multiple failed authorization attempts for plugin functionality
Network Indicators:
- Unusual HTTP requests to plugin-specific endpoints from unauthorized IP addresses
SIEM Query:
source="wordpress.log" AND ("image-regenerate-select-crop" OR "admin-ajax.php") AND status=200 AND user_role!=administrator