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Medium severity4.7NVD Advisory· Published Oct 14, 2025· Updated Jun 9, 2026

CVE-2025-31366

CVE-2025-31366

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

10
  • Fortinet/Fortiproxy3 versions
    cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*range: >=7.0.0,<7.6.4
    • cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0-7.6.3, 7.4.x, 7.2.x, 7.0.x
  • Fortinet/FortiSASEcpe-rescue4 versions
    cpe:2.3:a:fortinet:fortisase:25.2.a:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:fortinet:fortisase:25.2.a:*:*:*:*:*:*:*range: 25.2.a
    • cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:feature:*:*:*
    • cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:mature:*:*:*
    • (no CPE)range: 25.2.a
  • Fortinet/Fortios3 versions
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*range: >=6.4.0,<7.4.9
    • cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0-7.6.3, 7.4.0-7.4.8, 7.2.x, 7.0.x, 6.4.x

Patches

Vulnerability mechanics

References

2

News mentions

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