---
id: CVE-2020-22168
title: >-
  PHPGurukul Hospital Management System in PHP v4.0 has a SQL injection
  vulnerability in \hms\change-emaild.php
summary: >-
  PHPGurukul Hospital Management System in PHP v4.0 has a SQL injection
  vulnerability in \hms\change-emaild.php. Remote unauthenticated users can
  exploit the vulnerability to obtain database sensitive information.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-89
vendor: phpgurukul
product: hospital_management_system
affected:
  - hospital_management_system = 4.0
published: '2021-06-22'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-22168'
references:
  - url: 'https://github.com/itodaro/PHPGurukul_Hospital_Management_System4.0_cve'
    label: cve@mitre.org
  - url: 'http://phpgurukul.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/itodaro/PHPGurukul_Hospital_Management_System4.0_cve'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.02206
epssPercentile: 0.81831
ingestedAt: '2026-07-06T17:03:23.530Z'
---

## Overview

PHPGurukul Hospital Management System in PHP v4.0 has a SQL injection vulnerability in \hms\change-emaild.php. Remote unauthenticated users can exploit the vulnerability to obtain database sensitive information.

## Affected

- `hospital_management_system = 4.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.