CVE-2025-3019
📋 TL;DR
KNIME Business Hub contains cross-site scripting vulnerabilities that allow attackers to execute arbitrary JavaScript in users' browsers when they click malicious links or visit compromised pages. This affects all users of KNIME Business Hub versions before 1.13.3 and 1.12.4, potentially leading to data theft or unauthorized modifications.
💻 Affected Systems
- KNIME Business Hub
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, exfiltrate sensitive data, or modify critical business data and configurations.
Likely Case
Attackers would typically steal session tokens to hijack user accounts, leading to unauthorized access to business data and potential data exfiltration.
If Mitigated
With proper web application firewalls and input validation controls, the risk reduces to limited information disclosure or minor data manipulation.
🎯 Exploit Status
Requires user interaction (clicking malicious link) but exploitation is straightforward once the user is tricked.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.13.3 or 1.12.4
Vendor Advisory: https://www.knime.com/security/advisories#CVE-2025-3019
Restart Required: No
Instructions:
1. Download KNIME Business Hub version 1.13.3 or 1.12.4 from official sources. 2. Backup current configuration and data. 3. Install the updated version following KNIME's upgrade documentation. 4. Verify the update completed successfully.
🔧 Temporary Workarounds
No viable workarounds
allVendor states there are no viable workarounds for this vulnerability
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to limit script execution
- Deploy web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check KNIME Business Hub version via web interface admin panel or system configuration filesCheck Version:
Check web interface or consult KNIME documentation for version verification commandsVerify Fix Applied:
Confirm version is 1.13.3 or higher, or 1.12.4 or higher, and test XSS payloads are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in HTTP requests
- Suspicious redirects or script injection attempts in access logs
Network Indicators:
- Malicious script tags in HTTP traffic
- Suspicious external script loads from KNIME interface
SIEM Query:
source="knime_logs" AND (http_request CONTAINS "<script>" OR http_request CONTAINS "javascript:")