CVE-2025-31366

An Improper Neutralization of Input During Web Page Generation vulnerability [CWE-79] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSASE 25.2.a may allow an unauthenticated attacker to perform a reflected cross site scripting (XSS) via crafted HTTP requests.

Score

CVSS 3.1 6.1 Medium

Status

Modified - psirt@fortinet.com

Published

2025-10-14

Last modified

2026-10-18

Weaknesses

CWE-79

Affected products

• Fortios (Fortinet)
• Fortiproxy (Fortinet)
• Fortisase (Fortinet)
• Ruggedcom Ape1808 (Siemens)

References

• https://fortiguard.fortinet.com/psirt/FG-IR-24-542
• https://cert-portal.siemens.com/productcert/html/ssa-864900.html