CVE-2025-66099
📋 TL;DR
This CVE describes a missing authorization vulnerability in the ThemeAtelier Chat Help WordPress plugin that allows attackers to bypass access controls. It affects all WordPress sites running Chat Help plugin versions up to and including 3.1.3. Attackers can exploit incorrectly configured security levels to access restricted functionality.
💻 Affected Systems
- ThemeAtelier Chat Help 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 access administrative functions, modify chat settings, view sensitive user data, or potentially escalate privileges within the WordPress installation.
Likely Case
Unauthorized users accessing chat management functions, viewing chat logs containing user information, or modifying chat behavior without proper permissions.
If Mitigated
Proper access controls would prevent unauthorized access, limiting impact to legitimate users with appropriate permissions only.
🎯 Exploit Status
Exploitation requires some level of access but can bypass authorization checks. The vulnerability is in access control logic, making exploitation straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: > 3.1.3
Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/chat-help/vulnerability/wordpress-chat-help-plugin-3-1-3-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Chat Help' plugin
4. Click 'Update Now' if update available
5. If no update available, deactivate and remove plugin
6. Install latest version from WordPress repository
🔧 Temporary Workarounds
Disable Chat Help Plugin
allTemporarily deactivate the vulnerable plugin until patched version is available
wp plugin deactivate chat-help
Restrict Plugin Access
allUse WordPress roles and capabilities to restrict access to plugin functions
🧯 If You Can't Patch
- Implement network-level access controls to restrict access to WordPress admin interface
- Enable WordPress security plugins with authorization monitoring and hardening features
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Chat Help versionCheck Version:
wp plugin get chat-help --field=versionVerify Fix Applied:
Verify Chat Help plugin version is > 3.1.3 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to chat-help plugin endpoints
- User role changes or privilege escalation events
- Unusual chat configuration modifications
Network Indicators:
- HTTP requests to /wp-admin/admin-ajax.php with chat-help actions from unauthorized users
- Unusual traffic patterns to chat plugin endpoints
SIEM Query:
source="wordpress.log" AND ("chat-help" OR "chat_help") AND ("admin-ajax" OR "wp-admin") AND status=200 AND user_role!="administrator"