MEDIUM CVSS 4.6
Published: 2025-05-20

CVE-2025-4951

rapid7 appspider_pro Security Advisory (CVE-2025-4951)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-4951 impacting rapid7 appspider_pro. Evaluated with CVSS Base Score of 4.6 (MEDIUM).

Original NVD Description

Source: NIST NVD
Editions of Rapid7 AppSpider Pro before version 7.5.018 is vulnerable to a stored cross-site scripting vulnerability in the "ScanName" field. Despite the application preventing the inclusion of special characters within the "ScanName" field, this could be bypassed by modifying the configuration file directly. This is fixed as of version 7.5.018

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
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
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 rapid7 / appspider_pro
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-2025-4951 impacting rapid7 appspider_pro.

⚡ Nuclei Detection Template (YAML) cve-2025-4951.yaml
id: cve-2025-4951

info:
  name: rapid7 appspider_pro - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-4951 affecting rapid7 appspider_pro.
    Evaluation: Editions of Rapid7 AppSpider Pro before version 7.5.018 is vulnerable to a stored cross-site scripting vulnerability in the "ScanName" field...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-4951
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 4.6
    cve-id: CVE-2025-4951
    cwe-id: CWE-79
  tags: cve,cve-2025-4951,rapid7,appspider_pro,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "appspider_pro"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-4951.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-4951
# Target: rapid7 appspider_pro | CVSS: 4.6 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-4951 (rapid7 appspider_pro)...")
    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 rapid7 appspider_pro 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-2025-4951.sh
# Recommended Remediation & Patching Commands for CVE-2025-4951
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install appspider_pro 2>/dev/null || \
sudo dnf upgrade appspider_pro 2>/dev/null || \
sudo yum update appspider_pro

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

# 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-2025-4951 in rapid7 appspider_pro?

Review vendor-specific security notices and update rapid7 appspider_pro 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-2025-4951?

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-2025-4951?

CVE-2025-4951 is classified with a CVSS 3.1 Base Score of 4.6 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.6
MEDIUM SEVERITY
CVE ID CVE-2025-4951
Weakness CWE-79
Vendor rapid7
Product appspider_pro
Published 2025-05-20
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N