CVE-2025-20049

5.8 MEDIUM

📋 TL;DR

The Dario Health portal service application contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This could enable theft of sensitive information like session cookies or personal health data. Users of the Dario Health portal service are affected.

💻 Affected Systems

Products:
  • Dario Health portal service application
Versions: Specific versions not disclosed in advisory
Operating Systems: Not OS-specific - web application vulnerability
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the web portal interface; specific version details not provided in public advisory

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal user session tokens, impersonate legitimate users, access sensitive health information, and potentially pivot to other systems.

🟠

Likely Case

Attackers would steal session cookies to hijack user sessions, potentially accessing personal health data and portal functionality.

🟢

If Mitigated

With proper input validation and output encoding, the vulnerability would be prevented, and any successful exploitation would be limited by session timeouts and access controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

XSS vulnerabilities typically have low exploitation complexity once the injection point is identified

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not specified in advisory

Vendor Advisory: https://www.dariohealth.com/contact/

Restart Required: No

Instructions:

1. Contact Dario Health support for patch information 2. Apply the security update provided by Dario Health 3. Verify the fix by testing for XSS vulnerabilities

🔧 Temporary Workarounds

Implement Content Security Policy

all

Add CSP headers to restrict script execution sources

Add 'Content-Security-Policy' header with appropriate directives

Enable HTTPOnly and Secure cookie flags

all

Prevent JavaScript access to session cookies

Set-Cookie: sessionid=xxx; HttpOnly; Secure

🧯 If You Can't Patch

  • Implement web application firewall (WAF) with XSS protection rules
  • Disable the affected portal service if not critical to operations

🔍 How to Verify

Check if Vulnerable:

Test input fields with XSS payloads like <script>alert('XSS')</script> or use automated XSS scanning tools

Check Version:

Check application version through portal interface or contact Dario Health support

Verify Fix Applied:

Retest with XSS payloads to confirm they are properly sanitized or blocked

📡 Detection & Monitoring

Log Indicators:

  • Unusual script tags or JavaScript in URL parameters
  • Multiple failed login attempts from same session

Network Indicators:

  • HTTP requests containing suspicious script tags or encoded payloads

SIEM Query:

web.url:*<script* OR web.url:*javascript:* OR web.url:*%3Cscript%3E*

🔗 References

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