Medium severity · published Jan 7, 2020
CVE-2019-16154
An improper neutralization of input during web page generation in FortiAuthenticator WEB UI 6.0.0 may allow an unauthenticated user to perform a cross-site scripting attack (XSS)…
6.1
CVSS
0.7%
EPSS
No
On KEV
Description
An improper neutralization of input during web page generation in FortiAuthenticator WEB UI 6.0.0 may allow an unauthenticated user to perform a cross-site scripting attack (XSS) via a parameter of the logon page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortiauthenticator · Fortinet
6.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16154
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16154
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-19-104
More from Fortiauthenticator
9.8
CVE-2026-44277
A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through…
8.8
CVE-2021-26116
An improper neutralization of special elements used in an OS command vulnerability in the command line interpreter of FortiAuthenticator before 6.3.1 may allow an authenticated…
8.1
CVE-2021-43068
A improper authentication in Fortinet FortiAuthenticator version 6.4.0 allows user to bypass the second factor of authentication via a RADIUS login portal
7.5
CVE-2025-53379
A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve…
7.5
CVE-2021-22124
An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6; and…