HIGH CVSS 8.2
Published: 2026-04-05

CVE-2019-25676

phpscriptsmall ask_expert_script Security Advisory (CVE-2019-25676)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2019-25676 impacting phpscriptsmall ask_expert_script. Evaluated with CVSS Base Score of 8.2 (HIGH).

Original NVD Description

Source: NIST NVD
Ask Expert Script 3.0.5 contains cross-site scripting and SQL injection vulnerabilities that allow unauthenticated attackers to inject malicious code by manipulating URL parameters. Attackers can inject script tags through the cateid parameter in categorysearch.php or SQL code through the view parameter in list-details.php to execute arbitrary code or extract database information.

📊 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
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product phpscriptsmall / ask_expert_script
Affected Versions 3.0.5
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-2019-25676 impacting phpscriptsmall ask_expert_script.

⚡ Nuclei Detection Template (YAML) cve-2019-25676.yaml
id: cve-2019-25676

info:
  name: phpscriptsmall ask_expert_script - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2019-25676 affecting phpscriptsmall ask_expert_script.
    Evaluation: Ask Expert Script 3.0.5 contains cross-site scripting and SQL injection vulnerabilities that allow unauthenticated attackers to inject malicious code ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2019-25676
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    cvss-score: 8.2
    cve-id: CVE-2019-25676
    cwe-id: CWE-79
  tags: cve,cve-2019-25676,phpscriptsmall,ask_expert_script,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "ask_expert_script"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2019-25676.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2019-25676
# Target: phpscriptsmall ask_expert_script | CVSS: 8.2 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2019-25676 (phpscriptsmall ask_expert_script)...")
    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 phpscriptsmall ask_expert_script scope (3.0.5).")
        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-2019-25676.sh
# Recommended Remediation & Patching Commands for CVE-2019-25676
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install ask_expert_script 2>/dev/null || \
sudo dnf upgrade ask_expert_script 2>/dev/null || \
sudo yum update ask_expert_script

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

# 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

Authorities
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Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2019-25676 in phpscriptsmall ask_expert_script?

Review vendor-specific security notices and update phpscriptsmall ask_expert_script 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-2019-25676?

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-2019-25676?

CVE-2019-25676 is classified with a CVSS 3.1 Base Score of 8.2 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.2
HIGH SEVERITY
CVE ID CVE-2019-25676
Weakness CWE-79
Vendor phpscriptsmall
Product ask_expert_script
Published 2026-04-05
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N