CVE-2025-43486
📋 TL;DR
A stored cross-site scripting (XSS) vulnerability in Poly Clariti Manager versions before 10.12.1 allows attackers to inject malicious scripts that execute when other users view affected pages. This affects organizations using vulnerable versions of Poly Clariti Manager for video collaboration management. The vulnerability requires user interaction but can lead to session hijacking or credential theft.
💻 Affected Systems
- Poly Clariti Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, hijack user sessions, redirect users to malicious sites, or perform actions on behalf of authenticated users.
Likely Case
Attackers inject malicious scripts to steal session cookies or credentials from users who view compromised pages, potentially gaining unauthorized access to the management interface.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before execution, preventing any impact.
🎯 Exploit Status
Exploitation requires the ability to inject malicious scripts into stored content that other users will view.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.12.1
Vendor Advisory: https://support.hp.com/us-en/document/ish_12781425-12781447-16/hbsbpy04037
Restart Required: Yes
Instructions:
1. Download Poly Clariti Manager version 10.12.1 from HP support portal. 2. Backup current configuration. 3. Install the update following vendor documentation. 4. Restart the Poly Clariti Manager service.
🔧 Temporary Workarounds
Input Validation Filter
allImplement web application firewall rules or input validation to block script tags and malicious payloads.
WAF specific - configure rules to block <script>, javascript:, and common XSS payloads
🧯 If You Can't Patch
- Restrict access to Poly Clariti Manager to trusted networks only using firewall rules.
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
🔍 How to Verify
Check if Vulnerable:
Check Poly Clariti Manager version in web interface admin panel or via system information commands.
Check Version:
Check web interface: Admin > System > About, or CLI: show version
Verify Fix Applied:
Verify version is 10.12.1 or later in admin interface and test input fields for script execution.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests with script tags or encoded payloads to input endpoints
- Multiple failed login attempts following script injection
Network Indicators:
- HTTP requests containing <script> tags or javascript: URIs to Poly Clariti Manager
SIEM Query:
source="poly_clariti_logs" AND (http_request="*<script>*" OR http_request="*javascript:*")