CVE-2025-67958
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in TaxCloud for WooCommerce (simple-sales-tax plugin) that allows attackers to exploit incorrectly configured access controls. Attackers could potentially access or modify data they shouldn't have permission to view. This affects WooCommerce sites using the TaxCloud plugin.
💻 Affected Systems
- TaxCloud for WooCommerce (simple-sales-tax 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 modify tax settings, access sensitive customer data, or manipulate tax calculations affecting financial reporting.
Likely Case
Unauthorized users accessing tax configuration settings or viewing/modifying tax-related data they shouldn't have access to.
If Mitigated
Limited impact with proper access controls and monitoring in place, potentially only affecting non-critical configuration pages.
🎯 Exploit Status
Exploitation likely requires some level of access to the WordPress admin interface, but specific authorization checks are missing.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 8.3.8
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'TaxCloud for WooCommerce' and click 'Update Now'. 4. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate simple-sales-tax
Access Restriction
linuxRestrict access to WordPress admin interface using IP whitelisting
# Add to .htaccess for Apache: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
# Add to nginx config: allow 192.168.1.0/24; deny all;
🧯 If You Can't Patch
- Implement strict access controls and user role management in WordPress
- Monitor and audit all access to tax-related functionality in the plugin
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin → Plugins → Installed Plugins, look for 'TaxCloud for WooCommerce' version 8.3.8 or lowerCheck Version:
wp plugin get simple-sales-tax --field=versionVerify Fix Applied:
Verify plugin version is higher than 8.3.8 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to tax-related admin pages
- Unusual user activity in tax configuration sections
- Users without proper roles accessing tax settings
Network Indicators:
- Unusual requests to /wp-admin/admin.php pages with taxcloud parameters
- Requests to tax-related API endpoints from unauthorized users
SIEM Query:
source="wordpress.log" AND ("taxcloud" OR "simple-sales-tax") AND ("admin" OR "unauthorized" OR "permission denied")