CVE-2025-31366

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  3. CVE-2025-31366

4.7 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

A

n 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.

References
Link Resource
https://fortiguard.fortinet.com/psirt/FG-IR-24-542 Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:feature:*:*:*
cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:mature:*:*:*
History

14 Jan 2026, 10:16

Type Values Removed Values Added
Summary (en) An Improper Neutralization of Input During Web Page Generation vulnerability [CWE-79] in FortiOS 7.6.0 through 7.6.3, 7.4.0 through 7.4.7, 7.2 all versions, 7.0 all versions, 6.4 all versions; FortiProxy 7.6.0 through 7.6.3, 7.4.0 through 7.4.9, 7.2 all versions, 7.0 all versions; FortiSASE 25.3.a may allow an unauthenticated attacker to perform a reflected cross site scripting (XSS) via crafted HTTP requests. (en) 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.

15 Oct 2025, 17:15

Type Values Removed Values Added
References () https://fortiguard.fortinet.com/psirt/FG-IR-24-542 - () https://fortiguard.fortinet.com/psirt/FG-IR-24-542 - Vendor Advisory
CPE cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:feature:*:*:*
cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:mature:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
First Time Fortinet fortios
Fortinet fortiproxy
Fortinet
Fortinet fortisase

14 Oct 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-14 16:15

Updated : 2026-01-14 10:16

NVD link : CVE-2025-31366

Mitre link : CVE-2025-31366

CVE.ORG link : CVE-2025-31366

JSON object : View

Products Affected

fortinet

CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')