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Servers and applications

CVE-2017-14186

A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4 and below versions under SSL VPN web portal allows a remote user to inject arbitrary web script or HTML in the context of the victim's browser via the login redir parameter. An URL Redirection attack may also be feasible by injecting an external URL via the affected parameter.

Severity
Medium 5.4
Published
29 Nov 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.7% in the next 30 daysHigher than 89% 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 5.0
  • After 5.2.0 up to 5.2.12
  • From 5.4.0 up to 5.4.6
  • From 5.6.0 up to 5.6.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-14186
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-14186