Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-31366

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
14/10/2025
Last modified:
14/01/2026

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
4.70
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 6.4.0 (including) 7.4.9 (excluding)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 7.6.0 (including) 7.6.4 (excluding)
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* 7.0.0 (including) 7.6.4 (excluding)
cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:feature:*:*:*
cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:mature:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools