---
id: CVE-2020-20586
title: >-
  A cross site request forgery (CSRF) vulnerability in the
  /xyhai.php?s=/Auth/editUser URI of XYHCMS V3.6 allows attackers to edit any
  information of the administrator such as the name, e-mail, and password.
summary: >-
  A cross site request forgery (CSRF) vulnerability in the
  /xyhai.php?s=/Auth/editUser URI of XYHCMS V3.6 allows attackers to edit any
  information of the administrator such as the name, e-mail, and password.
severity: medium
cvss: 4.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N'
cwe:
  - CWE-352
vendor: xyhcms
product: xyhcms
affected:
  - xyhcms = 3.6
published: '2021-07-08'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-20586'
references:
  - url: 'http://www.xyhcms.com/Show/download/id/2/at/0.html'
    label: cve@mitre.org
  - url: 'https://github.com/0xyu/PHP_Learning/issues/4'
    label: cve@mitre.org
  - url: 'http://www.xyhcms.com/Show/download/id/2/at/0.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://xyhcms.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/0xyu/PHP_Learning/issues/4'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00392
epssPercentile: 0.3047
ingestedAt: '2026-07-06T01:08:16.788Z'
---

## Overview

A cross site request forgery (CSRF) vulnerability in the /xyhai.php?s=/Auth/editUser URI of XYHCMS V3.6 allows attackers to edit any information of the administrator such as the name, e-mail, and password.

## Affected

- `xyhcms = 3.6`

## Remediation

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