CVE-2025-12043
📋 TL;DR
The Autochat Automatic Conversation WordPress plugin has an authentication bypass vulnerability that allows unauthenticated attackers to modify client ID connections. This affects all WordPress sites using plugin versions 1.1.9 and earlier. Attackers can disrupt or manipulate chat functionality without requiring login credentials.
💻 Affected Systems
- Autochat Automatic Conversation for WordPress
⚠️ 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 disconnect legitimate chat sessions, disrupt customer support operations, or potentially chain with other vulnerabilities for further compromise.
Likely Case
Unauthenticated attackers disrupt chat functionality by disconnecting client IDs, causing service interruption for legitimate users.
If Mitigated
With proper network controls and monitoring, impact is limited to temporary chat service disruption.
🎯 Exploit Status
Exploitation requires sending crafted AJAX requests to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.0 or later
Vendor Advisory: https://wordpress.org/plugins/auyautochat-for-wp/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Autochat Automatic Conversation'
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
Temporary endpoint blocking
allBlock access to the vulnerable AJAX endpoint using web server configuration
# For Apache: add to .htaccess
RewriteRule ^wp-admin/admin-ajax\.php\?action=auycht_saveCid - [F,L]
# For Nginx: add to server block
location ~* /wp-admin/admin-ajax\.php\?action=auycht_saveCid { deny all; }
🧯 If You Can't Patch
- Deactivate the Autochat plugin immediately
- Implement WAF rules to block requests to the vulnerable endpoint
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Autochat Automatic Conversation' version 1.1.9 or earlierCheck Version:
# In WordPress root directory
grep -r "Version:" wp-content/plugins/auyautochat-for-wp/*.phpVerify Fix Applied:
Verify plugin version is 1.2.0 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-admin/admin-ajax.php with action=auycht_saveCid from unauthenticated users
- Multiple failed authentication attempts followed by AJAX requests
Network Indicators:
- Unusual traffic patterns to WordPress AJAX endpoints from external IPs
- POST requests with auycht_saveCid parameter without authentication cookies
SIEM Query:
source="web_server" AND (url="*/wp-admin/admin-ajax.php" AND parameters="*action=auycht_saveCid*") AND NOT (user_agent="*bot*" OR user_agent="*crawl*")