MEDIUM CVSS 4.3
Published: 2022-11-13

CVE-2022-3966

ultimatemember ultimate_member Security Advisory (CVE-2022-3966)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-3966 impacting ultimatemember ultimate_member. Evaluated with CVSS Base Score of 4.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability, which was classified as critical, has been found in Ultimate Member Plugin up to 2.5.0. This issue affects the function load_template of the file includes/core/class-shortcodes.php of the component Template Handler. The manipulation of the argument tpl leads to pathname traversal. The attack may be initiated remotely. Upgrading to version 2.5.1 is able to address this issue. The name of the patch is e1bc94c1100f02a129721ba4be5fbc44c3d78ec4. It is recommended to upgrade the affected component. The identifier VDB-213545 was assigned to this vulnerability.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
Low (C:L)
Partial information leakage
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product ultimatemember / ultimate_member
Affected Versions *
Weakness Enumeration CWE-22

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-2022-3966 impacting ultimatemember ultimate_member.

⚡ Nuclei Detection Template (YAML) cve-2022-3966.yaml
id: cve-2022-3966

info:
  name: ultimatemember ultimate_member - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-3966 affecting ultimatemember ultimate_member.
    Evaluation: A vulnerability, which was classified as critical, has been found in Ultimate Member Plugin up to 2.5.0. This issue affects the function load_template...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-3966
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 4.3
    cve-id: CVE-2022-3966
    cwe-id: CWE-22
  tags: cve,cve-2022-3966,ultimatemember,ultimate_member,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "ultimate_member"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-3966.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-3966
# Target: ultimatemember ultimate_member | CVSS: 4.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-3966 (ultimatemember ultimate_member)...")
    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 ultimatemember ultimate_member 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-2022-3966.sh
# Recommended Remediation & Patching Commands for CVE-2022-3966
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install ultimate_member 2>/dev/null || \
sudo dnf upgrade ultimate_member 2>/dev/null || \
sudo yum update ultimate_member

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

# 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-2022-3966 in ultimatemember ultimate_member?

Review vendor-specific security notices and update ultimatemember ultimate_member 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-2022-3966?

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-2022-3966?

CVE-2022-3966 is classified with a CVSS 3.1 Base Score of 4.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
MEDIUM SEVERITY
CVE ID CVE-2022-3966
Weakness CWE-22
Vendor ultimatemember
Product ultimate_member
Published 2022-11-13
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N