XSS vulnerability in Web Filter Block Override Form Fortinet PSIRT Advisories Fortinet PSIRT Contact: Website: https://fortiguard.fortinet.com/faq/psirt-contact FG-IR-21-230 Final 1 1 2022-05-03T00:00:00 Current version 2022-05-03T00:00:00 2022-05-03T00:00:00 An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiProxy and FortiOS web filter override form may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests. None Information disclosure FortiOS version 7.0.3 and below,FortiOS version 6.4.8 and below,FortiOS version 6.2.10 and below,FortiOS version 6.0.14 to 6.0.0.FortiProxy version 7.0.1 and below,FortiProxy version 2.0.7 to 2.0.0. Upgrade to FortiOS version 7.0.4 or aboveUpgrade to FortiOS version 6.4.9 or aboveUpgrade to FortiOS version 6.2.11 or aboveUpgrade to FortiProxy version 7.0.2 or aboveUpgrade to FortiProxy version 2.0.8 or above Fortinet is pleased to thank Tom Tervoort for bringing this issue to our attention under responsible disclosure. CVE-2021-43081 6.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:W/RC:X https://fortiguard.fortinet.com/psirt/FG-IR-21-230 XSS vulnerability in Web Filter Block Override Form Reference>