CVE-2024-8942

6.3 MEDIUM

📋 TL;DR

This is a Cross-Site Scripting (XSS) vulnerability in Scriptcase version 9.4.019 that allows attackers to inject malicious scripts via the 'id_form_msg_title' parameter. When exploited, it can enable credential theft from authenticated users who click specially crafted links. Organizations using vulnerable Scriptcase installations are affected.

💻 Affected Systems

Products:
  • Scriptcase
Versions: 9.4.019
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Any Scriptcase installation with the vulnerable version is affected regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers steal administrator credentials, gain full control of the Scriptcase application, and potentially compromise the underlying server or database.

🟠

Likely Case

Attackers steal session cookies or credentials of authenticated users, leading to unauthorized access to the Scriptcase application.

🟢

If Mitigated

With proper input validation and output encoding, the attack would fail to execute malicious scripts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

XSS vulnerabilities are commonly weaponized, though no public exploit code is confirmed. Exploitation requires user interaction (clicking malicious link).

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Scriptcase vendor for updated version

Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-scriptcase

Restart Required: Yes

Instructions:

1. Check current Scriptcase version
2. Contact Scriptcase vendor for patch
3. Apply patch following vendor instructions
4. Restart application services

🔧 Temporary Workarounds

Input Validation Filter

all

Implement server-side input validation to sanitize the 'id_form_msg_title' parameter

Content Security Policy

all

Implement CSP headers to restrict script execution

Add 'Content-Security-Policy: script-src 'self'' to HTTP headers

🧯 If You Can't Patch

  • Implement Web Application Firewall (WAF) with XSS protection rules
  • Disable or restrict access to vulnerable Scriptcase instances

🔍 How to Verify

Check if Vulnerable:

Check Scriptcase version in administration panel or configuration files

Check Version:

Check Scriptcase admin panel or config files for version information

Verify Fix Applied:

Test parameter injection after patch application

📡 Detection & Monitoring

Log Indicators:

  • Unusual parameter values in access logs
  • Suspicious JavaScript in request parameters

Network Indicators:

  • HTTP requests with script tags in parameters
  • Unusual outbound connections after user visits crafted URLs

SIEM Query:

web_access_logs WHERE url_parameters CONTAINS '<script>' OR url_parameters CONTAINS 'javascript:'

🔗 References

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