Cross-site scripting in Fortinet FortiAuthenticator WEB UI
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00698 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16154
- 2026-10-03 Alias added: GHSA-3g24-4p5j-c5q8
References
More Fortinet Fortiauthenticator vulnerabilities
- TI-2026-32249 Improper access control in Fortinet FortiAuthenticator CVSS 3.1CRITICAL 9.1
- TI-2021-08066 OS command injection in Fortinet FortiAuthenticator CVSS 3.1HIGH 8.8
- TI-2021-05114 Uncontrolled resource consumption in Fortinet FortiSandbox, FortiAuthenticator CVSS 3.1HIGH 7.5
- TI-2013-05746 FortiGuard FortiAuthenticator before 3.0 allows remote administrators to gain privileges via the command line interface. CVSS 2.0HIGH 9.0
- TI-2021-19130 Information disclosure in Fortinet FortiAuthenticator CVSS 3.1HIGH 8.3
- TI-2015-01319 Fortinet FortiAuthenticator 3.0.0 has a password of (1) slony for the slony PostgreSQL… CVSS 2.0HIGH 7.5
Sources
- CVE-2019-16154 · CVE Program
- CVE-2019-16154 · NVD
- FIRST EPSS
- GHSA-3g24-4p5j-c5q8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences