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Servers and applications

CVE-2017-14190

A Cross-site Scripting vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.7, 5.2 and earlier, allows attacker to inject arbitrary web script or HTML via maliciously crafted "Host" header in user HTTP requests.

Severity
Medium 6.1
Published
29 Jan 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 64% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • Every version up to 5.2.0
  • From 5.4.0 up to 5.4.7
  • From 5.6.0 up to 5.6.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-14190
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-14190