HIGH CVSS 8.7
Published: 2020-11-16

CVE-2020-26225

prestashop product_comments Security Advisory (CVE-2020-26225)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-26225 impacting prestashop product_comments. Evaluated with CVSS Base Score of 8.7 (HIGH).

Original NVD Description

Source: NIST NVD
In PrestaShop Product Comments before version 4.2.0, an attacker could inject malicious web code into the users' web browsers by creating a malicious link. The problem was introduced in version 4.0.0 and is fixed in 4.2.0

📊 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
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product prestashop / product_comments
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-2020-26225 impacting prestashop product_comments.

⚡ Nuclei Detection Template (YAML) cve-2020-26225.yaml
id: cve-2020-26225

info:
  name: prestashop product_comments - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2020-26225 affecting prestashop product_comments.
    Evaluation: In PrestaShop Product Comments before version 4.2.0, an attacker could inject malicious web code into the users' web browsers by creating a malic...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-26225
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
    cvss-score: 8.7
    cve-id: CVE-2020-26225
    cwe-id: CWE-79
  tags: cve,cve-2020-26225,prestashop,product_comments,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "product_comments"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-26225.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-26225
# Target: prestashop product_comments | CVSS: 8.7 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-26225 (prestashop product_comments)...")
    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 prestashop product_comments 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-2020-26225.sh
# Recommended Remediation & Patching Commands for CVE-2020-26225
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install product_comments 2>/dev/null || \
sudo dnf upgrade product_comments 2>/dev/null || \
sudo yum update product_comments

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

# 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-2020-26225 in prestashop product_comments?

Review vendor-specific security notices and update prestashop product_comments 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-2020-26225?

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-2020-26225?

CVE-2020-26225 is classified with a CVSS 3.1 Base Score of 8.7 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.7
HIGH SEVERITY
CVE ID CVE-2020-26225
Weakness CWE-79
Vendor prestashop
Product product_comments
Published 2020-11-16
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N