CVE-2023-5318
📋 TL;DR
CVE-2023-5318 involves hard-coded credentials in Microweber CMS versions before 2.0, allowing attackers to gain unauthorized access to affected systems. This affects all users running vulnerable Microweber installations, potentially compromising website administration and data.
💻 Affected Systems
- Microweber CMS
📦 What is this software?
Microweber by Microweber
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to take over the CMS, deface websites, steal sensitive data, or deploy malware.
Likely Case
Unauthorized administrative access leading to content manipulation, plugin installation, or data exfiltration.
If Mitigated
Limited impact if proper network segmentation and access controls prevent external exploitation.
🎯 Exploit Status
Exploitation requires only knowledge of hard-coded credentials, making attacks trivial once credentials are discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0 and later
Vendor Advisory: https://github.com/microweber/microweber/commit/c48b34dfd6cae7a55b452280d692dc62512574b0
Restart Required: No
Instructions:
1. Update to Microweber 2.0 or later. 2. Replace any hard-coded credentials with secure, unique credentials. 3. Review and rotate all administrative credentials.
🔧 Temporary Workarounds
Manual credential removal
allManually locate and remove hard-coded credentials from source code
grep -r 'hardcoded_password' /path/to/microweber/
Review and edit files containing hard-coded credentials
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted IPs only
- Enable multi-factor authentication and regularly rotate all administrative credentials
🔍 How to Verify
Check if Vulnerable:
Check Microweber version via admin panel or by examining source files for version indicatorsCheck Version:
Check admin dashboard or examine composer.json for version informationVerify Fix Applied:
Confirm installation is version 2.0+ and search codebase for known hard-coded credential patterns📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful login with unusual patterns
- Administrative actions from unexpected IP addresses
Network Indicators:
- Unusual administrative traffic patterns
- Authentication requests using known hard-coded credentials
SIEM Query:
source="web_logs" AND (login_success="true" AND user_agent="*suspicious*") OR (login_attempts>5 AND success_rate>80%)🔗 References
- https://github.com/microweber/microweber/commit/c48b34dfd6cae7a55b452280d692dc62512574b0
- https://huntr.dev/bounties/17826bdd-8136-48ae-afb9-af627cb6fd5d
- https://github.com/microweber/microweber/commit/c48b34dfd6cae7a55b452280d692dc62512574b0
- https://huntr.dev/bounties/17826bdd-8136-48ae-afb9-af627cb6fd5d
