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…
Does this matter?
Lower severity and a low EPSS score (3.72%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 3.72% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- fortinet/fortios
- Source
- psirt@fortinet.com
EPSS moved from 5.4% on 21 September 2026 to 3.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/101955Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039891Third Party Advisory, VDB Entry
- https://fortiguard.com/advisory/FG-IR-17-242Vendor Advisory
- http://www.securityfocus.com/bid/101955Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039891Third Party Advisory, VDB Entry
- https://fortiguard.com/advisory/FG-IR-17-242Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.