CVE-2025-55056
📋 TL;DR
This CVE describes a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. It affects web applications that fail to properly sanitize user input before displaying it. Organizations using the affected software are vulnerable to client-side attacks.
💻 Affected Systems
- Unknown - reference link appears to be a general Israeli government CVE listing page
📦 What is this software?
Rumpus by Maxum
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, credentials, or sensitive data from users, perform actions on their behalf, or redirect them to malicious sites.
Likely Case
Attackers inject malicious scripts to steal session tokens or credentials from authenticated users, potentially leading to account compromise.
If Mitigated
With proper input validation and output encoding, the vulnerability is prevented, though some functionality might be restricted.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity, but specific details depend on the affected application.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0
Restart Required: No
Instructions:
1. Identify the specific affected product from the advisory listing
2. Check vendor website for security updates
3. Apply the latest security patches
4. Test functionality after patching
🔧 Temporary Workarounds
Implement Input Validation
allValidate and sanitize all user input before processing
Enable Content Security Policy
allImplement CSP headers to restrict script execution sources
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect and block XSS payloads
- Use browser security features like HttpOnly and Secure flags for cookies
🔍 How to Verify
Check if Vulnerable:
Test input fields with XSS payloads like <script>alert('test')</script> and check if they executeCheck Version:
Check application version against vendor's patched version listVerify Fix Applied:
Retest with XSS payloads to ensure they are properly sanitized or blocked📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in URL parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Malicious script payloads in HTTP requests
- Unexpected external script loads
SIEM Query:
source="web_server" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")