CVE-2024-11626

8.4 HIGH

📋 TL;DR

This is a cross-site scripting (XSS) vulnerability in Progress Sitefinity CMS administrative backend that allows attackers to inject malicious scripts into admin pages. It affects Sitefinity versions from 4.0 through 14.4.8142 and multiple 15.x versions. Attackers could potentially hijack admin sessions or perform unauthorized actions.

💻 Affected Systems

Products:
  • Progress Sitefinity CMS
Versions: 4.0 through 14.4.8142, 15.0.8200 through 15.0.8229, 15.1.8300 through 15.1.8327, 15.2.8400 through 15.2.8421
Operating Systems: Windows, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects administrative backend interfaces, not public-facing frontend by default.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could hijack administrative sessions, gain full control of the CMS, deface websites, steal sensitive data, or pivot to internal network attacks.

🟠

Likely Case

Attackers could steal admin credentials, perform unauthorized content modifications, or inject malicious scripts affecting site visitors.

🟢

If Mitigated

With proper input validation and output encoding, the attack surface is reduced, but the vulnerability still exists in the codebase.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Requires administrative access or social engineering to reach vulnerable admin pages. XSS payloads would need to bypass any existing input filters.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Update to Sitefinity 14.4.8143+, 15.0.8230+, 15.1.8328+, or 15.2.8422+

Vendor Advisory: https://community.progress.com/s/article/Sitefinity-Security-Advisory-for-Addressing-Security-Vulnerabilities-CVE-2024-11625-and-CVE-2024-11626-January-2025

Restart Required: No

Instructions:

1. Backup your Sitefinity instance. 2. Download the appropriate patch from Progress support portal. 3. Apply the patch following vendor instructions. 4. Test administrative functionality.

🔧 Temporary Workarounds

Input Validation Enhancement

all

Implement additional input validation and output encoding in custom admin modules

Implement proper HTML encoding in admin interface code
Add Content Security Policy headers

🧯 If You Can't Patch

  • Restrict administrative access to trusted IP addresses only
  • Implement web application firewall with XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check Sitefinity version in Administration > About or web.config file

Check Version:

Check Sitefinity version in Administration dashboard or examine web.config for version information

Verify Fix Applied:

Verify version is updated to patched version and test admin interface for script injection

📡 Detection & Monitoring

Log Indicators:

  • Unusual admin login patterns
  • Suspicious script tags in admin URL parameters
  • Multiple failed admin login attempts

Network Indicators:

  • Malicious script payloads in HTTP requests to admin endpoints
  • Unexpected redirects from admin pages

SIEM Query:

source="sitefinity_logs" AND (uri CONTAINS "/Sitefinity/" OR uri CONTAINS "/admin/") AND (message CONTAINS "script" OR message CONTAINS "javascript:")

🔗 References

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