CVE-2025-66167
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the merkulove Lottier WordPress plugin that allows attackers to bypass access controls. It affects WordPress sites using the Lottier plugin version 1.1.1 and earlier. The vulnerability enables unauthorized access to functionality that should be restricted.
💻 Affected Systems
- merkulove Lottier lottier-gutenberg 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
Attackers could modify plugin settings, inject malicious content, or potentially escalate privileges to compromise the WordPress site.
Likely Case
Unauthorized users could change plugin configurations, potentially disrupting site functionality or injecting unwanted content.
If Mitigated
With proper authorization checks, only authenticated administrators could access plugin management functions.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure but no special tools or advanced skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: >1.1.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Lottier' plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and remove plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
allDeactivate the Lottier plugin until patched version is available
wp plugin deactivate lottier-gutenberg
Restrict plugin access
allUse WordPress role management to restrict who can access plugin settings
🧯 If You Can't Patch
- Deactivate the Lottier plugin immediately
- Implement web application firewall rules to block unauthorized access to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Lottier version <=1.1.1Check Version:
wp plugin get lottier-gutenberg --field=versionVerify Fix Applied:
Verify plugin version is >1.1.1 after update📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-admin/admin.php?page=lottier
- Unusual plugin configuration changes
Network Indicators:
- HTTP requests to plugin admin endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("lottier" OR "admin.php?page=lottier") AND status=200 AND user_role!=administrator