Cross-site scripting in ZyXEL Communications Corp. products - CVE-2022-0734
Published: May 24, 2022
Vulnerability identifier: #VU63555
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2022-0734
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 the CGI program. A remote attacker 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.
Affected software
USG series
USG FLEX series
VPN series
ZyWALL
ATP series
USG FLEX series
VPN series
ZyWALL
ATP series
How to mitigate CVE-2022-0734
Install updates from vendor's website.
USG series - update to 4.72
ZyWALL - update to 4.72
USG FLEX series - update to 5.30
ATP series - update to 5.30
VPN series - update to 5.30
ZyWALL - update to 4.72
USG FLEX series - update to 5.30
ATP series - update to 5.30
VPN series - update to 5.30