CVE-2024-58319
📋 TL;DR
A reflected cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via the Pages dashboard widget configuration dialog. This could enable attackers to execute arbitrary JavaScript in administrative users' browsers, potentially compromising administrative sessions and systems. Only Kentico Xperience installations with administrative access are affected.
💻 Affected Systems
- Kentico Xperience
📦 What is this software?
Xperience by Kentico
⚠️ Risk & Real-World Impact
Worst Case
Administrative account takeover leading to full system compromise, data theft, or ransomware deployment
Likely Case
Session hijacking of administrative users, unauthorized configuration changes, or credential theft
If Mitigated
Limited impact due to administrative-only access requirement and proper input validation
🎯 Exploit Status
Requires administrative user interaction (clicking malicious link)
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check hotfixes at devnet.kentico.com/download/hotfixes
Vendor Advisory: https://devnet.kentico.com/download/hotfixes
Restart Required: Yes
Instructions:
1. Visit https://devnet.kentico.com/download/hotfixes
2. Download appropriate hotfix for your version
3. Apply hotfix following Kentico documentation
4. Restart application/services
🔧 Temporary Workarounds
Input Validation Enhancement
allImplement additional input validation/sanitization for Pages dashboard widget parameters
Implement server-side validation for all user inputs in widget configuration
Content Security Policy
allImplement strict CSP headers to mitigate XSS impact
Add Content-Security-Policy header with script-src restrictions
🧯 If You Can't Patch
- Restrict administrative access to trusted networks only
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Test Pages dashboard widget configuration dialog for XSS by attempting to inject script payloadsCheck Version:
Check Kentico administration interface for version informationVerify Fix Applied:
Verify hotfix installation and test that script injection no longer executes📡 Detection & Monitoring
Log Indicators:
- Unusual script-like patterns in widget configuration parameters
- Multiple failed XSS attempts in admin logs
Network Indicators:
- Suspicious URLs with script payloads targeting admin interface
SIEM Query:
Search for URLs containing script tags or javascript: protocols in admin access logs