At a glance:

IR Number FG-IR-20-122
Date Feb 3, 2021
Risk
CVSSv3 Score 4.6
Impact Execute unauthorized code or commands
CVE ID CVE-2021-22122
Affected Products
FortiWeb: 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.1, 6.3.0, 6.2.3, 6.2.2, 6.2.1, 6.2.0
CVRF Download

PSIRT Advisories

XSS vulnerability in FortiWeb

Summary

An improper neutralization of input during web page generation in FortiWeb GUI interface may allow an unauthenticated, remote attacker to perform a reflected cross site scripting attack (XSS) by injecting malicious payload in different vulnerable API end-points.

Affected Products

FortiWeb versions 6.3.7 and below. FortiWeb versions 6.2.3 and below.

Solutions

Please upgrade to FortiWeb versions 6.3.8 or above. Please upgrade to FortiWeb versions 6.2.4 or above.

Acknowledgement

Fortinet is pleased to thank Andrey Medov from ptsecurity for reporting this vulnerability under responsible disclosure.