CVE-2026-22913
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts via URL parameters, which execute in authenticated users' browsers. This can lead to session hijacking, credential theft, and data exfiltration. It affects web applications that improperly sanitize URL inputs.
💻 Affected Systems
- SICK products with web interfaces
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal session cookies, impersonate users, access sensitive data, and perform unauthorized actions within the application.
Likely Case
Attackers capture user credentials or session tokens through crafted phishing links, leading to account compromise.
If Mitigated
With proper input validation and output encoding, the attack is prevented, resulting in no impact.
🎯 Exploit Status
Exploitation involves crafting malicious URLs; requires social engineering to trick users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched versions.
Vendor Advisory: https://sick.com/psirt
Restart Required: Yes
Instructions:
1. Review vendor advisory at https://sick.com/psirt. 2. Identify affected products and versions. 3. Apply the latest security patches provided by SICK. 4. Restart the application or service as required.
🔧 Temporary Workarounds
Implement Input Validation and Output Encoding
allSanitize URL parameters to prevent script injection; encode outputs to neutralize malicious scripts.
Use Content Security Policy (CSP)
allDeploy CSP headers to restrict script execution sources, mitigating XSS attacks.
Add 'Content-Security-Policy' header in web server configuration.
🧯 If You Can't Patch
- Restrict access to vulnerable applications using network segmentation or firewalls.
- Monitor for suspicious URL patterns and user behavior anomalies in logs.
🔍 How to Verify
Check if Vulnerable:
Test URL parameters for XSS by injecting script payloads in a controlled environment.Check Version:
Check application version via web interface or system documentation; refer to vendor-specific commands.Verify Fix Applied:
After patching, retest with XSS payloads to ensure no script execution occurs.📡 Detection & Monitoring
Log Indicators:
- Unusual URL parameters containing script tags or JavaScript code in access logs.
- Multiple failed login attempts followed by suspicious URL accesses.
Network Indicators:
- HTTP requests with encoded or obfuscated script payloads in query strings.
SIEM Query:
source="web_logs" AND (url="*<script>*" OR url="*javascript:*")🔗 References
- https://sick.com/psirt
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
- https://www.first.org/cvss/calculator/3.1
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.json
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdf
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
