CVE-2025-68928
📋 TL;DR
This vulnerability allows authenticated users of Frappe CRM to inject malicious scripts via website fields, leading to cross-site scripting (XSS) attacks. The issue affects all Frappe CRM instances running versions before 1.56.2. Attackers could steal session cookies, redirect users, or perform actions on behalf of authenticated users.
💻 Affected Systems
- Frappe CRM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Authenticated attacker steals administrator session cookies, gains full system control, and compromises all user data.
Likely Case
Authenticated user exploits XSS to steal other users' session tokens or perform unauthorized actions.
If Mitigated
With proper input validation and output encoding, impact is limited to minor UI disruption.
🎯 Exploit Status
Exploitation requires authenticated access and knowledge of vulnerable field.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.56.2
Vendor Advisory: https://github.com/frappe/crm/security/advisories/GHSA-fm34-v6j7-chwc
Restart Required: Yes
Instructions:
1. Backup your Frappe CRM instance. 2. Update to version 1.56.2 using 'bench update'. 3. Restart the Frappe application server. 4. Verify the update completed successfully.
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads in website fields.
- Disable website field functionality or implement custom input validation at the application layer.
🔍 How to Verify
Check if Vulnerable:
Check if Frappe CRM version is below 1.56.2 using 'bench version' command.
Check Version:
bench version
Verify Fix Applied:
Verify version is 1.56.2 or higher and test website field with XSS payloads to confirm sanitization.
📡 Detection & Monitoring
Log Indicators:
- Unusual website field entries containing script tags or JavaScript code
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious payloads in website field parameters
SIEM Query:
web.url:*<script* OR web.url:*javascript:* AND destination.port:80 OR destination.port:443