#VU47894 Stored cross-site scripting in Quick Chat

 

#VU47894 Stored cross-site scripting in Quick Chat

Published: October 23, 2020


Vulnerability identifier: #VU47894
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Quick Chat
Software vendor:
Marko Martinović

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 in /wp-admin/options-general.php?page=quick-chat/quick-chat.php. A remote authenticated user can permanently inject  and execute arbitrary HTML and script code 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.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links