CVE-2025-31366 MEDIUM

CVE-2025-31366

Vendor Fortinet
Product FortiProxy
Weakness CWE-79 · XSS
Published October 14, 2025
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

4.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:X/RC:C

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 14, 2025 CVE published
June 9, 2026 Record updated