CVE-2022-43710
📋 TL;DR
This CSRF vulnerability in GX Software XperienCentral's Interactive Forms allows attackers to trick authenticated users into performing unintended actions by deducing the unique token from input field names. It affects all users of XperienCentral versions 10.31.0 through 10.33.0 who use the Interactive Forms feature.
💻 Affected Systems
- GX Software XperienCentral
📦 What is this software?
Xperiencentral by Gxsoftware
⚠️ Risk & Real-World Impact
Worst Case
Attackers could perform administrative actions, modify content, change user permissions, or steal sensitive data through forged requests executed by authenticated users.
Likely Case
Attackers trick users into submitting malicious form data, potentially modifying website content or user information without their knowledge.
If Mitigated
With proper CSRF protections and user awareness, impact is limited to unsuccessful attack attempts.
🎯 Exploit Status
Exploitation requires the attacker to craft malicious forms and trick authenticated users into submitting them.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.33.0 and later
Vendor Advisory: https://service.gxsoftware.com/hc/nl/articles/12208173122461
Restart Required: Yes
Instructions:
1. Upgrade to XperienCentral version 10.33.0 or later. 2. Restart the application server. 3. Verify the fix by testing form submissions.
🔧 Temporary Workarounds
Implement Additional CSRF Protection
allAdd custom CSRF tokens or implement referer checking at the web application firewall or proxy level.
🧯 If You Can't Patch
- Disable Interactive Forms feature if not required
- Implement strict referer checking and form validation at network perimeter
🔍 How to Verify
Check if Vulnerable:
Check XperienCentral version in admin panel. If version is between 10.31.0 and 10.33.0, and Interactive Forms are enabled, system is vulnerable.Check Version:
Check XperienCentral admin dashboard or application.properties file for version information.Verify Fix Applied:
After patching, test form submissions with invalid tokens to ensure they are rejected.📡 Detection & Monitoring
Log Indicators:
- Multiple failed form submissions with invalid tokens
- Unusual form submissions from unexpected sources
Network Indicators:
- HTTP POST requests to form endpoints without proper referer headers
- Suspicious form submissions patterns
SIEM Query:
source="xperiencentral" AND (event="form_submission_failed" OR event="csrf_token_mismatch")