LOW CVSS 3.7
Published: 2025-12-22

CVE-2025-15005

couchcms couchcms Security Advisory (CVE-2025-15005)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-15005 impacting couchcms couchcms. Evaluated with CVSS Base Score of 3.7 (LOW).

Original NVD Description

Source: NIST NVD
A security flaw has been discovered in CouchCMS up to 2.4. Affected is an unknown function of the file couch/config.example.php of the component reCAPTCHA Handler. The manipulation of the argument K_RECAPTCHA_SITE_KEY/K_RECAPTCHA_SECRET_KEY results in use of hard-coded cryptographic key . It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is told to be difficult. The exploit has been released to the public and may be used for attacks.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
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
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 couchcms / couchcms
Affected Versions *
Weakness Enumeration CWE-320

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-2025-15005 impacting couchcms couchcms.

⚡ Nuclei Detection Template (YAML) cve-2025-15005.yaml
id: cve-2025-15005

info:
  name: couchcms couchcms - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2025-15005 affecting couchcms couchcms.
    Evaluation: A security flaw has been discovered in CouchCMS up to 2.4. Affected is an unknown function of the file couch/config.example.php of the component reCAP...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-15005
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 3.7
    cve-id: CVE-2025-15005
    cwe-id: CWE-320
  tags: cve,cve-2025-15005,couchcms,couchcms,low

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "couchcms"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-15005.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-15005
# Target: couchcms couchcms | CVSS: 3.7 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-15005 (couchcms couchcms)...")
    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 couchcms couchcms 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-2025-15005.sh
# Recommended Remediation & Patching Commands for CVE-2025-15005
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install couchcms 2>/dev/null || \
sudo dnf upgrade couchcms 2>/dev/null || \
sudo yum update couchcms

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

# 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-2025-15005 in couchcms couchcms?

Review vendor-specific security notices and update couchcms couchcms 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-2025-15005?

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-2025-15005?

CVE-2025-15005 is classified with a CVSS 3.1 Base Score of 3.7 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.7
LOW SEVERITY
CVE ID CVE-2025-15005
Weakness CWE-320
Vendor couchcms
Product couchcms
Published 2025-12-22
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N