CVE-2025-12677
📋 TL;DR
The KiotViet Sync WordPress plugin exposes webhook tokens to unauthenticated attackers through an API endpoint vulnerability. This allows attackers to obtain sensitive authentication tokens that could be used to manipulate webhook functionality. All WordPress sites using KiotViet Sync version 1.8.5 or earlier are affected.
💻 Affected Systems
- KiotViet Sync 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 obtain webhook tokens and use them to inject malicious data, modify orders/inventory, or disrupt business operations through unauthorized webhook calls.
Likely Case
Attackers extract webhook tokens and use them to send false data to connected systems, potentially causing data corruption or business process disruption.
If Mitigated
With proper network segmentation and monitoring, impact is limited to potential token exposure without ability to execute malicious webhook calls.
🎯 Exploit Status
Simple HTTP request to vulnerable endpoint can expose tokens without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.6 or later
Vendor Advisory: https://wordpress.org/plugins/kiotvietsync/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find KiotViet Sync and click 'Update Now'. 4. Verify version is 1.8.6 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable KiotViet Sync plugin until patched
wp plugin deactivate kiotvietsync
Block API Endpoint
linuxUse web application firewall or .htaccess to block access to vulnerable endpoint
RewriteRule ^wp-json/kiotvietsync/.* - [F,L]
🧯 If You Can't Patch
- Implement network segmentation to isolate WordPress instance
- Monitor webhook API endpoints for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → KiotViet Sync version. If version ≤1.8.5, system is vulnerable.Check Version:
wp plugin get kiotvietsync --field=versionVerify Fix Applied:
Verify plugin version is 1.8.6 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to /wp-json/kiotvietsync/ endpoints
- Multiple failed authentication attempts to webhook endpoints
Network Indicators:
- Unusual traffic patterns to WordPress REST API endpoints
- External IPs accessing kiotvietsync API routes
SIEM Query:
source="wordpress" AND uri_path="/wp-json/kiotvietsync/*" AND response_code=200