Headline
CVE-2021-43081: Fortiguard
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. and in FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0 web filter override form may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests.
** PSIRT Advisories**
FortiProxy & FortiOS - XSS vulnerability in Web Filter Block Override Form
Summary
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.
Affected Products
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.
Solutions
Please upgrade to FortiProxy version 7.0.2 or above.
Please upgrade to FortiProxy version 2.0.8 or above.
Please upgrade to FortiOS version 7.0.4 or above.
Please upgrade to FortiOS version 6.4.9 or above.
Acknowledgement
Fortinet is pleased to thank Tom Tervoort for bringing this issue to our attention under responsible disclosure.
Related news
An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. and in FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0 web filter override form may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests.