CVE-2025-27676
📋 TL;DR
This vulnerability allows cross-site scripting (XSS) attacks in the Reports module of Vasion Print (formerly PrinterLogic). Attackers can inject malicious scripts that execute in users' browsers when viewing reports. Organizations using affected versions of the Virtual Appliance Host and Application are vulnerable.
💻 Affected Systems
- Vasion Print (formerly PrinterLogic) Virtual Appliance Host
- Vasion Print Application
📦 What is this software?
Vasion Print by Printerlogic
Virtual Appliance by Printerlogic
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on user systems.
Likely Case
Session hijacking leading to unauthorized access to the print management system, potentially allowing printer configuration changes or data exfiltration.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching user browsers.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited. The vulnerability is documented in public disclosures with technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Virtual Appliance Host 22.0.843 or later, Application 20.0.1923 or later
Vendor Advisory: https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
Restart Required: Yes
Instructions:
1. Download the latest version from Vasion support portal. 2. Backup current configuration. 3. Apply the update following vendor instructions. 4. Restart the Virtual Appliance Host service. 5. Verify the update was successful.
🔧 Temporary Workarounds
Disable Reports Module
allTemporarily disable the vulnerable Reports module to prevent exploitation.
Consult Vasion documentation for module disable procedures
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting the Reports endpoint.
Add WAF rule: Detect and block scripts in report parameters
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to limit script execution
- Restrict access to the Reports module to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check the version in the Vasion Print admin interface. If Virtual Appliance Host is below 22.0.843 or Application below 20.0.1923, the system is vulnerable.Check Version:
Check via admin web interface at /admin or use vendor-specific CLI commands if available.Verify Fix Applied:
After patching, verify the version shows 22.0.843 or higher for Virtual Appliance Host and 20.0.1923 or higher for Application. Test the Reports module with safe XSS test payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in report parameter logs
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing script tags or JavaScript in report-related URLs
- Unusual outbound connections from user browsers after accessing reports
SIEM Query:
source="web_logs" AND (uri="*report*" AND (content="<script>" OR content="javascript:"))🔗 References
- https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
- https://pierrekim.github.io/blog/2025-04-08-vasion-printerlogic-83-vulnerabilities.html
- http://seclists.org/fulldisclosure/2025/Apr/18
- https://pierrekim.github.io/blog/2025-04-08-vasion-printerlogic-83-vulnerabilities.html#va-xss-03
