---
id: CVE-2022-26263
title: >-
  Yonyou u8 v13.0 was discovered to contain a DOM-based cross-site scripting
  (XSS) vulnerability via the component /u8sl/WebHelp.
summary: >-
  Yonyou u8 v13.0 was discovered to contain a DOM-based cross-site scripting
  (XSS) vulnerability via the component /u8sl/WebHelp.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: yonyou
product: u8+
affected:
  - u8+ = 13.0
published: '2022-03-25'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-26263'
references:
  - url: 'https://github.com/k0xx11/Vulscve/blob/master/yonyouu8-xss.md'
    label: cve@mitre.org
  - url: 'https://www.yonyou.com/'
    label: cve@mitre.org
  - url: 'http://yonyou.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/k0xx11/Vulscve/blob/master/yonyouu8-xss.md'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.yonyou.com/'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.41722
epssPercentile: 0.98625
ingestedAt: '2026-07-06T17:03:24.109Z'
exploits:
  nuclei:
    - CVE-2022-26263
  checkedAt: '2026-09-24T07:52:49.048Z'
exploitAvailable: true
---

## Overview

Yonyou u8 v13.0 was discovered to contain a DOM-based cross-site scripting (XSS) vulnerability via the component /u8sl/WebHelp.

## Affected

- `u8+ = 13.0`

## Remediation

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