CVE-2026-25364
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the BoldGrid Client Invoicing by Sprout Invoices WordPress plugin. It allows attackers to bypass access controls and potentially access sensitive invoicing data or perform unauthorized actions. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- BoldGrid Client Invoicing by Sprout Invoices 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 could access all client invoicing data, modify invoices, steal financial information, or disrupt billing operations.
Likely Case
Unauthorized access to client invoices and financial data, potentially leading to data theft or invoice manipulation.
If Mitigated
Limited impact with proper network segmentation and additional access controls, though the core vulnerability remains.
🎯 Exploit Status
Missing authorization vulnerabilities typically require some level of access but can be exploited with minimal technical skill once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 20.8.8
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find 'Client Invoicing by Sprout Invoices'
4. Click 'Update Now' if available
5. Alternatively, download latest version from WordPress repository and manually update
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate sprout-invoices
Restrict Access
allUse web application firewall rules to restrict access to plugin endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Add additional authentication layers or IP whitelisting for sensitive invoicing functions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Client Invoicing by Sprout Invoices' version 20.8.8 or earlierCheck Version:
wp plugin get sprout-invoices --field=versionVerify Fix Applied:
Verify plugin version is higher than 20.8.8 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to /wp-content/plugins/sprout-invoices/ endpoints
- Multiple failed authorization attempts followed by successful access to invoicing functions
Network Indicators:
- HTTP requests to sprout-invoices endpoints from unauthorized IPs
- Unusual traffic patterns to invoicing-related URLs
SIEM Query:
source="wordpress.log" AND ("sprout-invoices" OR "client-invoicing") AND (status=200 OR status=302) AND user="unauthenticated"