UNKNOWN CVSS 6.8
Published: 2012-06-17

CVE-2012-3578

wordpress fcchat_widget Security Advisory (CVE-2012-3578)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2012-3578?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2012-3578 impacting wordpress fcchat_widget. Evaluated with CVSS Base Score of 6.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries

🎯 Affected Versions Matrix

Affected Product wordpress / fcchat_widget
Affected Versions *
Weakness Enumeration CWE-264

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2012-3578 impacting wordpress fcchat_widget.

⚡ Nuclei Detection Template (YAML) cve-2012-3578.yaml
id: cve-2012-3578

info:
  name: wordpress fcchat_widget - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2012-3578 affecting wordpress fcchat_widget.
    Evaluation: Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to ex...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2012-3578
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:P/I:P/A:P
    cvss-score: 6.8
    cve-id: CVE-2012-3578
    cwe-id: CWE-264
  tags: cve,cve-2012-3578,wordpress,fcchat_widget,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "fcchat_widget"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2012-3578.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2012-3578
# Target: wordpress fcchat_widget | CVSS: 6.8 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2012-3578 (wordpress fcchat_widget)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against wordpress fcchat_widget scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2012-3578.sh
# Recommended Remediation & Patching Commands for CVE-2012-3578
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install fcchat_widget 2>/dev/null || \
sudo dnf upgrade fcchat_widget 2>/dev/null || \
sudo yum update fcchat_widget

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i fcchat_widget 2>/dev/null || rpm -qa | grep -i fcchat_widget

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2012-3578 in wordpress fcchat_widget?

Review vendor-specific security notices and update wordpress fcchat_widget packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2012-3578?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2012-3578?

CVE-2012-3578 is classified with a CVSS 3.1 Base Score of 6.8 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.8
UNKNOWN SEVERITY
CVE ID CVE-2012-3578
Weakness CWE-264
Vendor wordpress
Product fcchat_widget
Published 2012-06-17
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P