UpHeron
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Servers and applications

CVE-2021-36188

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to execute unauthorized code or commands via crafted GET parameters in requests to login and error handlers

Severity
Medium 6.1
Published
8 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.3.16, 6.4.2
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiWebServers and applications · cpe:a:fortinet:fortiweb
  • From 6.0.0 up to 6.2.5
  • From 6.3.0 before 6.3.16
  • From 6.4.0 before 6.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-36188
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-36188