CVE-2025-8570

9.8 CRITICAL

📋 TL;DR

The BeyondCart Connector WordPress plugin has a critical privilege escalation vulnerability in versions 1.4.2 through 2.1.0. Unauthenticated attackers can craft valid JWT tokens to impersonate any user, including administrators. All WordPress sites using the vulnerable plugin versions are affected.

💻 Affected Systems

Products:
  • BeyondCart Connector WordPress plugin
Versions: 1.4.2 through 2.1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress sites with the vulnerable plugin installed and activated.

⚠️ 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

Complete site takeover: attackers gain administrative access, install backdoors, steal sensitive data, deface the site, or use it for further attacks.

🟠

Likely Case

Administrative account compromise leading to data theft, malware injection, or site defacement.

🟢

If Mitigated

Limited impact if proper network segmentation, strong authentication, and monitoring are in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires crafting JWT tokens with weak secrets, which is straightforward for attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.1.1

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

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find BeyondCart Connector and update to version 2.1.1 or later. 4. Verify update completes successfully.

🔧 Temporary Workarounds

Disable the plugin

all

Temporarily deactivate the BeyondCart Connector plugin until patched.

Block plugin endpoints

linux

Use web application firewall or .htaccess to block access to plugin-specific API endpoints.

# Add to .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule ^wp-content/plugins/beyondcart-connector/.*$ - [F,L]
</IfModule>

🧯 If You Can't Patch

  • Implement strict network access controls to limit plugin exposure.
  • Enable detailed logging and monitoring for suspicious authentication attempts.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for BeyondCart Connector version.

Check Version:

wp plugin list --name=beyondcart-connector --field=version

Verify Fix Applied:

Confirm plugin version is 2.1.1 or later in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • Unusual authentication patterns, multiple failed login attempts followed by successful admin login from same IP
  • Requests to /wp-content/plugins/beyondcart-connector/ with crafted JWT tokens

Network Indicators:

  • Unusual API calls to plugin endpoints from unexpected IPs
  • Spike in authentication requests

SIEM Query:

source="wordpress.log" AND ("beyondcart-connector" OR "determine_current_user") AND status=200

🔗 References

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