MEDIUM CVSS 4.8
Published: 2025-02-06

CVE-2022-40490

prasathmani tiny_file_manager Security Advisory (CVE-2022-40490)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-40490 impacting prasathmani tiny_file_manager. Evaluated with CVSS Base Score of 4.8 (MEDIUM).

Original NVD Description

Source: NIST NVD
Tiny File Manager v2.4.7 and below was discovered to contain a Cross Site Scripting (XSS) vulnerability. This vulnerability allows attackers to execute arbitrary code via a crafted payload injected into the name of an uploaded or already existing file.

📊 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
High (PR:H)
Administrative credentials required
User Interaction
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product prasathmani / tiny_file_manager
Affected Versions *
Weakness Enumeration CWE-79

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-2022-40490 impacting prasathmani tiny_file_manager.

⚡ Nuclei Detection Template (YAML) cve-2022-40490.yaml
id: cve-2022-40490

info:
  name: prasathmani tiny_file_manager - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-40490 affecting prasathmani tiny_file_manager.
    Evaluation: Tiny File Manager v2.4.7 and below was discovered to contain a Cross Site Scripting (XSS) vulnerability. This vulnerability allows attackers to execut...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-40490
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 4.8
    cve-id: CVE-2022-40490
    cwe-id: CWE-79
  tags: cve,cve-2022-40490,prasathmani,tiny_file_manager,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "tiny_file_manager"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-40490.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-40490
# Target: prasathmani tiny_file_manager | CVSS: 4.8 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-40490 (prasathmani tiny_file_manager)...")
    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 prasathmani tiny_file_manager 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-2022-40490.sh
# Recommended Remediation & Patching Commands for CVE-2022-40490
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install tiny_file_manager 2>/dev/null || \
sudo dnf upgrade tiny_file_manager 2>/dev/null || \
sudo yum update tiny_file_manager

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

# 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.

🔗 Verified Technical References

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2022-40490 in prasathmani tiny_file_manager?

Review vendor-specific security notices and update prasathmani tiny_file_manager 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-2022-40490?

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-2022-40490?

CVE-2022-40490 is classified with a CVSS 3.1 Base Score of 4.8 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.8
MEDIUM SEVERITY
CVE ID CVE-2022-40490
Weakness CWE-79
Vendor prasathmani
Product tiny_file_manager
Published 2025-02-06
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N