Vulnerability identifier: #VU18620

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: N/A

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Event Management Tickets Booking By Event Monster
Web applications / Modules and components for CMS

Vendor: A WP Life

Description

The disclosed 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 (1) form-first-name, form-last-name, form-phone and (2) em_upload_image, logo_size, em_logo_size, em_date_time_heading, em_organizer_heading, em_orginizer_name[], em_value_email HTTP POST parameters, when adding an event. A remote attacker can send a specially crafted HTTP request, permanenlty store arbitrary HTML and script code and execute in in user's browser in context of vulnerable website.

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

Event Management Tickets Booking By Event Monster: 1.0.0 - 1.0.5

---

External links
http://docs.google.com/document/d/1rlijr98h9jReuY85eX00JgvNQHKRhzl4I5bRypMA490/edit
http://plugins.trac.wordpress.org/changeset/2095474/event-monster

---

Q & A

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.