Main Vulnerability Database Vulnerabilities #VU75640

#VU75640 Cross-site scripting in NBG-418N v2 - CVE-2023-22921

Published: May 2, 2023

Vulnerability identifier: #VU75640

Vulnerability risk: Low

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:U/U:Clear

CVE-ID: CVE-2023-22921

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
NBG-418N v2

Software vendor:
ZyXEL Communications Corp.

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 a web management interface parameter. A remote user can trick the victim to follow a specially crafted link 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

Install updates from vendor's website.

External links

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router