CVE-2024-56882
📋 TL;DR
Sage DPW versions before 2024_12_000 contain a stored cross-site scripting (XSS) vulnerability in the Kurstitel and Kurzinfo input fields. Low-privileged users with employee role privileges can inject malicious JavaScript that executes for all authenticated users who view the modified data. This affects organizations using vulnerable Sage DPW installations.
💻 Affected Systems
- Sage DPW
📦 What is this software?
Sage Dpw by Sagedpw
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform account takeovers, redirect users to malicious sites, or perform actions on behalf of authenticated users.
Likely Case
Low-privileged employees inject malicious scripts that execute when other users view training materials, potentially stealing session data or performing limited unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts would be rendered harmless as text rather than executable code.
🎯 Exploit Status
Exploitation requires authenticated low-privilege access; stored XSS payloads are simple to craft and execute automatically when viewed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024_12_000
Vendor Advisory: https://www.sage.com/en-gb/products/sage-dpw/
Restart Required: Yes
Instructions:
1. Backup current installation and data. 2. Download Sage DPW version 2024_12_000 or later from official vendor portal. 3. Run installer with administrative privileges. 4. Restart application services. 5. Verify update completion in system settings.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation to sanitize HTML/JavaScript in Kurstitel and Kurzinfo fields
Implement regex filtering for <script> tags and JavaScript event handlers
Output Encoding
allApply proper HTML encoding when displaying user-supplied content in web interface
Use HTML entity encoding (e.g., convert < to <, > to >) for all user-controlled output
🧯 If You Can't Patch
- Restrict employee role privileges to trusted users only
- Implement web application firewall (WAF) rules to block XSS payload patterns
🔍 How to Verify
Check if Vulnerable:
Test if JavaScript payloads in Kurstitel/Kurzinfo fields execute when viewed by other usersCheck Version:
Check application version in Sage DPW administration panel or configuration filesVerify Fix Applied:
After patching, attempt to inject and execute test XSS payloads; verify they render as text not executable code📡 Detection & Monitoring
Log Indicators:
- Unusual length or content in Kurstitel/Kurzinfo field updates
- Multiple failed XSS attempt logs if WAF enabled
Network Indicators:
- HTTP requests containing JavaScript patterns in POST data to course update endpoints
SIEM Query:
source="sage_dpw_logs" AND (message="*Kurstitel*" OR message="*Kurzinfo*") AND message="*<script>*"