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Worpress Backup Migration <= 1.3.7 - Unauthenticated Remote Code Execution

ID: CVE-2023-6553

Severity: critical

Author: FLX

Tags: packetstorm,cve,cve2023,wp-plugin,rce,unauth,wordpress,wp,backupbliss

Description

Section titled “Description”

The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.7 via the /includes/backup-heart.php file. This is due to an attacker being able to control the values passed to an include, and subsequently leverage that to achieve remote code execution. This makes it possible for unauthenticated threat actors to easily execute code on the server.

YAML Source

Section titled “YAML Source”
id: CVE-2023-6553


info:
  name: Worpress Backup Migration <= 1.3.7 - Unauthenticated Remote Code Execution
  author: FLX
  severity: critical
  description: |
    The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.7 via the /includes/backup-heart.php file. This is due to an attacker being able to control the values passed to an include, and subsequently leverage that to achieve remote code execution. This makes it possible for unauthenticated threat actors to easily execute code on the server.
  reference:
    - https://www.wordfence.com/blog/2023/12/critical-unauthenticated-remote-code-execution-found-in-backup-migration-plugin/
    - https://github.com/Chocapikk/CVE-2023-6553
    - http://packetstormsecurity.com/files/176638/WordPress-Backup-Migration-1.3.7-Remote-Command-Execution.html
    - https://www.synacktiv.com/en/publications/php-filters-chain-what-is-it-and-how-to-use-it
    - https://www.wordfence.com/threat-intel/vulnerabilities/id/3511ba64-56a3-43d7-8ab8-c6e40e3b686e?source=cve
  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-2023-6553
    epss-score: 0.91621
    epss-percentile: 0.98837
    cpe: cpe:2.3:a:backupbliss:backup_migration:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: backupbliss
    product: backup_migration
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/backup-backup/
    fofa-query: body=/wp-content/plugins/backup-backup/
    publicwww-query: /wp-content/plugins/backup-backup/
    google-query: inurl:"/wp-content/plugins/backup-backup/"
  tags: packetstorm,cve,cve2023,wp-plugin,rce,unauth,wordpress,wp,backupbliss
flow: http(1) && http(2)


http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/backup-backup/readme.txt"


    matchers:
      - type: dsl
        internal: true
        dsl:
          - 'status_code == 200'
          - 'contains(body, "Backup Migration")'
        condition: and


  - method: POST
    path:
      - "{{BaseURL}}/wp-content/plugins/backup-backup/includes/backup-heart.php"
    headers:
      Content-Dir: "{{rand_text_alpha(10)}}"


    matchers:
      - type: dsl
        dsl:
          - 'len(body) == 0'
          - 'status_code == 200'
          - '!contains(body, "Incorrect parameters")'
        condition: and
# digest: 4b0a0048304602210084e5f0638110de4c411d236aefb9c86842ed7c08e5253f0d4b28bfb7f9fb9005022100d185337e0074aa5dd032d5fd58ec88b6fe44c4b3d051f5af094141c53e6e8a0b:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2023/CVE-2023-6553.yaml"

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