Vulnerability identifier: #VU18616
Vulnerability risk: Medium
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Hostel
Web applications /
Modules and components for CMS
Vendor: Kiboko Labs
Description
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "contact_name" and "contact_phone" HTTP POST parameters to "/wp-admin/admin-ajax.php" script. A remote unauthenticated attacker can permanently store and execute arbitrary HTML and script code in user's browser in context of vulnerable website, when the website administrator visits a booking page.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Hostel: 0.5.9 - 1.1.3
External links
http://docs.google.com/document/d/1lBnwTY82_UO9XLmoaH3mD9AF-GZ0TPQ_dNKEymDCxzY/edit
http://plugins.trac.wordpress.org/changeset/2094560/hostel
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.