CVE-2025-12675

4.3 MEDIUM

📋 TL;DR

The KiotViet Sync WordPress plugin has an authorization vulnerability that allows authenticated users with Subscriber-level access or higher to modify plugin configuration settings. This affects all WordPress sites using plugin versions up to 1.8.5. Attackers can change plugin settings without proper permissions.

💻 Affected Systems

Products:
  • KiotViet Sync WordPress Plugin
Versions: All versions up to and including 1.8.5
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Any authenticated user (Subscriber role or higher) can exploit this.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify plugin configuration to redirect payments, steal customer data, or disrupt e-commerce operations if the plugin handles sensitive business functions.

🟠

Likely Case

Attackers modify plugin settings to disrupt functionality, change API endpoints, or alter business logic affecting store operations.

🟢

If Mitigated

With proper user role management and monitoring, impact is limited to configuration changes that can be detected and reverted.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is trivial once authenticated. The vulnerability is publicly disclosed with technical details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.8.6 or later

Vendor Advisory: https://wordpress.org/plugins/kiotvietsync/#developers

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find KiotViet Sync plugin
4. Click 'Update Now' if update available
5. If no update available, deactivate and delete plugin, then install fresh version 1.8.6+ from WordPress repository

🔧 Temporary Workarounds

Remove Subscriber Access

all

Temporarily remove Subscriber role access or restrict user registration until patched

Use WordPress role management plugins or custom code to restrict access

Disable Plugin

linux

Deactivate the KiotViet Sync plugin until patched version is available

wp plugin deactivate kiotvietsync

🧯 If You Can't Patch

  • Implement strict user role management - ensure only trusted administrators have access
  • Monitor plugin configuration changes and set up alerts for unauthorized modifications

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → KiotViet Sync → Version. If version is 1.8.5 or lower, you are vulnerable.

Check Version:

wp plugin get kiotvietsync --field=version

Verify Fix Applied:

After updating, verify version shows 1.8.6 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • WordPress audit logs showing configuration changes by non-admin users
  • Plugin-specific logs showing unexpected config modifications

Network Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=saveConfig from non-admin users

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND action="saveConfig" AND user_role!="administrator")

🔗 References

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