CVE-2025-31366
CVSS Score
4.5
EPSS Score
0.0%
EPSS Percentile
6th
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.
| CWE | CWE-79 |
| Vendor | fortinet |
| Product | fortiproxy |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Oct 14, 2025 |
| Last Updated | Jun 9, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Fortinet / FortiProxy
7.6.0 ≤ 7.6.3 7.4.0 ≤ 7.4.8 7.2.0 ≤ 7.2.15 7.0.0 ≤ 7.0.22
Fortinet / FortiSASE
25.2.a
Fortinet / FortiOS
7.6.0 ≤ 7.6.2 7.4.0 ≤ 7.4.7 7.2.0 ≤ 7.2.12 7.0.0 ≤ 7.0.18 6.4.0 ≤ 6.4.16