Cross-site scripting in Fortinet FortiAuthenticator
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 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF validation failure" page allows attacker to execute unauthorized script code via inject malicious scripts in HTTP referer header.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00727 54th 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-2018-9186
- 2026-10-03 Alias added: GHSA-46pc-6g7g-6hw8
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-2018-9186 · CVE Program
- CVE-2018-9186 · NVD
- FIRST EPSS
- GHSA-46pc-6g7g-6hw8 · GitHub Advisory Database · CC BY 4.0
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