CRITICAL CVSS 9.8
Published: 2025-12-15

CVE-2023-53877

phpjabbers bus_reservation_system Security Advisory (CVE-2023-53877)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2023-53877 impacting phpjabbers bus_reservation_system. Evaluated with CVSS Base Score of 9.8 (CRITICAL).

Original NVD Description

Source: NIST NVD
Bus Reservation System 1.1 contains a SQL injection vulnerability in the pickup_id parameter that allows attackers to manipulate database queries. Attackers can exploit boolean-based, error-based, and time-based blind SQL injection techniques to steal information from the database.

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

🎯 Affected Versions Matrix

Affected Product phpjabbers / bus_reservation_system
Affected Versions 1.1
Weakness Enumeration CWE-89

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-2023-53877 impacting phpjabbers bus_reservation_system.

⚡ Nuclei Detection Template (YAML) cve-2023-53877.yaml
id: cve-2023-53877

info:
  name: phpjabbers bus_reservation_system - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2023-53877 affecting phpjabbers bus_reservation_system.
    Evaluation: Bus Reservation System 1.1 contains a SQL injection vulnerability in the pickup_id parameter that allows attackers to manipulate database queries. Att...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2023-53877
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-53877
    cwe-id: CWE-89
  tags: cve,cve-2023-53877,phpjabbers,bus_reservation_system,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bus_reservation_system"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2023-53877.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2023-53877
# Target: phpjabbers bus_reservation_system | CVSS: 9.8 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2023-53877 (phpjabbers bus_reservation_system)...")
    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 phpjabbers bus_reservation_system scope (1.1).")
        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-2023-53877.sh
# Recommended Remediation & Patching Commands for CVE-2023-53877
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bus_reservation_system 2>/dev/null || \
sudo dnf upgrade bus_reservation_system 2>/dev/null || \
sudo yum update bus_reservation_system

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2023-53877 in phpjabbers bus_reservation_system?

Review vendor-specific security notices and update phpjabbers bus_reservation_system 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-2023-53877?

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-2023-53877?

CVE-2023-53877 is classified with a CVSS 3.1 Base Score of 9.8 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.8
CRITICAL SEVERITY
CVE ID CVE-2023-53877
Weakness CWE-89
Vendor phpjabbers
Product bus_reservation_system
Published 2025-12-15
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H