CVE-2025-2160
📋 TL;DR
Pega Platform versions 8.4.3 through Infinity 24.2.1 contain a cross-site scripting (XSS) vulnerability in the Mashup component. This allows attackers to inject malicious scripts into web pages viewed by other users. Organizations using affected Pega Platform versions with Mashup functionality are at risk.
💻 Affected Systems
- Pega Platform
📦 What is this software?
⚠️ 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, credential theft, or defacement of application pages through injected content.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though the vulnerability still exists.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity once the injection point is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Infinity 24.2.2 or later
Vendor Advisory: https://support.pega.com/support-doc/pega-security-advisory-d25-vulnerability-remediation-note
Restart Required: Yes
Instructions:
1. Review the Pega security advisory. 2. Upgrade to Infinity 24.2.2 or later. 3. Restart the Pega Platform services. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Disable Mashup functionality
allTemporarily disable Mashup components if not required for business operations
Implement WAF rules
allConfigure web application firewall to block XSS patterns in Mashup requests
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers
- Enable input validation and output encoding for all user-controlled data in Mashup components
🔍 How to Verify
Check if Vulnerable:
Check Pega Platform version and compare against affected range (8.4.3 to Infinity 24.2.1)Check Version:
Check Pega Platform administration console or configuration files for version informationVerify Fix Applied:
Verify version is Infinity 24.2.2 or later and test Mashup functionality for XSS vectors📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in Mashup-related requests
- Multiple failed XSS attempts in application logs
Network Indicators:
- Suspicious script injection patterns in HTTP requests to Mashup endpoints
SIEM Query:
source="pega_logs" AND ("Mashup" OR "XSS" OR "script") AND status="200"