---
id: CVE-2026-90575
title: A weakness has been identified in PHPGurukul Small CRM 4.0
summary: >-
  A weakness has been identified in PHPGurukul Small CRM 4.0. This impacts the
  function unserialize of the file /crm/login.php of the component Login Success
  Handler. This manipulation of the argument geopluginURL causes
  deserialization. I…
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-20
  - CWE-502
vendor: PHPGurukul
product: Small CRM
affected:
  - small_crm 4.0
published: '2026-09-13'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T15:18:31.090'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90575'
references:
  - url: 'https://github.com/JdExploit/small-crm-login-unserialize'
    label: cna@vuldb.com
  - url: 'https://phpgurukul.com/'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90575'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/913188'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403160'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403160/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00484
epssPercentile: 0.38999
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-16T14:13:32.875464Z'
ingestedAt: '2026-09-14T15:23:07.469Z'
---

## Overview

A weakness has been identified in PHPGurukul Small CRM 4.0. This impacts the function unserialize of the file /crm/login.php of the component Login Success Handler. This manipulation of the argument geopluginURL causes deserialization. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. The exploit has been made available to the public and could be used for attacks.

## Remediation

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