PSIRTReflected Cross Site Scripting (XSS) in error page
Summary
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') [CWE-79] in FortiSIEM's error page may allow a remote unauthenticated attacker to provide arbitrary data enabling a social engineering attack via spoofed URL parameters.
| Version | Affected | Solution |
|---|---|---|
| FortiSIEM 7.5 | Not affected | Not Applicable |
| FortiSIEM 7.4 | 7.4.0 | Upgrade to 7.4.1 or above |
| FortiSIEM 7.3 | 7.3.0 through 7.3.4 | Upgrade to 7.3.5 or above |
| FortiSIEM 7.2 | Not affected | Not Applicable |
| FortiSIEM 7.1 | Not affected | Not Applicable |
| FortiSIEM 7.0 | Not affected | Not Applicable |
| FortiSIEM 6.7 | Not affected | Not Applicable |
| FortiSIEM 6.6 | Not affected | Not Applicable |
| FortiSIEM 6.5 | Not affected | Not Applicable |
| FortiSIEM 6.4 | Not affected | Not Applicable |
Acknowledgement
Discovered during an independent audit commissioned by FortinetTimeline
2026-03-10: Initial publication