HIGH CVSS 8.8
Published: 2019-09-03

CVE-2019-15866

crelly_slider_project crelly_slider Security Advisory (CVE-2019-15866)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2019-15866 impacting crelly_slider_project crelly_slider. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
The crelly-slider plugin before 1.3.5 for WordPress has arbitrary file upload via a PHP file inside a ZIP archive to wp_ajax_crellyslider_importSlider.

📊 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
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product crelly_slider_project / crelly_slider
Affected Versions *
Weakness Enumeration CWE-434

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-2019-15866 impacting crelly_slider_project crelly_slider.

⚡ Nuclei Detection Template (YAML) cve-2019-15866.yaml
id: cve-2019-15866

info:
  name: crelly_slider_project crelly_slider - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2019-15866 affecting crelly_slider_project crelly_slider.
    Evaluation: The crelly-slider plugin before 1.3.5 for WordPress has arbitrary file upload via a PHP file inside a ZIP archive to wp_ajax_crellyslider_importSlider...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2019-15866
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2019-15866
    cwe-id: CWE-434
  tags: cve,cve-2019-15866,crelly_slider_project,crelly_slider,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "crelly_slider"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2019-15866.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2019-15866
# Target: crelly_slider_project crelly_slider | CVSS: 8.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2019-15866 (crelly_slider_project crelly_slider)...")
    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 crelly_slider_project crelly_slider 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-2019-15866.sh
# Recommended Remediation & Patching Commands for CVE-2019-15866
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install crelly_slider 2>/dev/null || \
sudo dnf upgrade crelly_slider 2>/dev/null || \
sudo yum update crelly_slider

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

# 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-2019-15866 in crelly_slider_project crelly_slider?

Review vendor-specific security notices and update crelly_slider_project crelly_slider 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-2019-15866?

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-2019-15866?

CVE-2019-15866 is classified with a CVSS 3.1 Base Score of 8.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.8
HIGH SEVERITY
CVE ID CVE-2019-15866
Weakness CWE-434
Vendor crelly_slider_project
Product crelly_slider
Published 2019-09-03
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H