CVE-2025-44022

9.8 CRITICAL

📋 TL;DR

This vulnerability in Vvveb CMS v1.0.6 allows remote attackers to execute arbitrary code through the plugin mechanism. Attackers can upload malicious plugins that execute code on the server, potentially compromising the entire system. All users running the vulnerable version are affected.

💻 Affected Systems

Products:
  • Vvveb CMS
Versions: v1.0.6 and possibly earlier versions
Operating Systems: All platforms running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the plugin upload/installation mechanism and affects all default installations.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with attacker gaining full control over the web server, accessing sensitive data, installing backdoors, and using the server as a pivot point for further attacks.

🟠

Likely Case

Remote code execution leading to website defacement, data theft, malware deployment, or cryptocurrency mining operations.

🟢

If Mitigated

Limited impact with proper network segmentation, web application firewalls, and strict file upload controls preventing successful exploitation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The GitHub references contain technical details and proof-of-concept information that could be weaponized.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check commit dd74abcae88f658779f61338b9f4c123884eef0d for fix

Vendor Advisory: https://github.com/givanz/Vvveb/issues/289

Restart Required: No

Instructions:

1. Update to the latest version of Vvveb CMS. 2. Apply the security patch from commit dd74abcae88f658779f61338b9f4c123884eef0d. 3. Remove any untrusted plugins. 4. Verify the fix by testing plugin upload functionality.

🔧 Temporary Workarounds

Disable Plugin Upload

all

Temporarily disable plugin upload functionality in the CMS configuration

Modify CMS configuration to disable plugin installation/upload features

Web Application Firewall Rules

all

Implement WAF rules to block malicious plugin upload attempts

Configure WAF to block requests containing suspicious plugin-related patterns

🧯 If You Can't Patch

  • Implement strict file upload validation and sanitization
  • Isolate the CMS instance in a restricted network segment

🔍 How to Verify

Check if Vulnerable:

Check if running Vvveb CMS version 1.0.6 or earlier and test plugin upload functionality

Check Version:

Check CMS admin panel or version.php file for version information

Verify Fix Applied:

Verify the patch from commit dd74abcae88f658779f61338b9f4c123884eef0d is applied and test plugin uploads

📡 Detection & Monitoring

Log Indicators:

  • Unusual plugin uploads
  • Suspicious file creation in plugin directories
  • PHP execution from unexpected locations

Network Indicators:

  • HTTP POST requests to plugin upload endpoints with unusual payloads

SIEM Query:

source="web_server" AND (uri="*plugin*" OR uri="*upload*") AND method="POST" AND size>100000

🔗 References

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