CVE-2025-57424

7.3 HIGH

📋 TL;DR

A stored XSS vulnerability in MyCourts v3 allows attackers to inject malicious JavaScript into user profiles. When other users view these profiles, the script executes in their browsers, potentially stealing session cookies due to missing HttpOnly flags. This affects all users of MyCourts v3, including administrators.

💻 Affected Systems

Products:
  • MyCourts
Versions: v3 (specific subversions unknown)
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in the LTA number profile field. All deployments with this field enabled are affected.

⚠️ 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 hijack administrator sessions, gain full system control, steal sensitive data, and potentially compromise the entire application infrastructure.

🟠

Likely Case

Attackers steal user session tokens, impersonate legitimate users, access unauthorized data, and perform actions on behalf of compromised accounts.

🟢

If Mitigated

With proper input validation and HttpOnly cookies, impact reduces to limited script execution without session theft, though some XSS effects may persist.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires user account creation/profile editing access. Stored XSS with session cookie theft is a common attack pattern.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: Not available

Restart Required: No

Instructions:

No official patch available. Monitor vendor channels for updates.

🔧 Temporary Workarounds

Input Sanitization

all

Implement server-side validation and sanitization of the LTA number field to strip/escape HTML/JavaScript.

HttpOnly Cookie Flag

all

Configure session cookies with HttpOnly flag to prevent JavaScript access.

🧯 If You Can't Patch

  • Disable user profile viewing functionality
  • Implement WAF rules to block XSS payloads in profile data

🔍 How to Verify

Check if Vulnerable:

Test by entering <script>alert('XSS')</script> in LTA number field and viewing profile.

Check Version:

Check application version in admin panel or configuration files.

Verify Fix Applied:

Verify script does not execute when viewing profiles and session cookies have HttpOnly flag.

📡 Detection & Monitoring

Log Indicators:

  • Unusual profile updates with script tags
  • Multiple failed login attempts from new locations

Network Indicators:

  • Unexpected outbound connections from user browsers after profile views

SIEM Query:

search 'profile update' AND ('script' OR 'javascript' OR '<' in field_data)

🔗 References

📤 Share & Export