CVE-2025-31366

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.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

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

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

No history.

Information

Published : 2025-10-14 16:15

Updated : 2025-10-15 17:15

NVD link : CVE-2025-31366

Mitre link : CVE-2025-31366

CVE.ORG link : CVE-2025-31366

JSON object : View

Products Affected

fortinet

fortiproxy
fortios
fortisase

CWE

CWE-79

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

{"id": "CVE-2025-31366", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2025-10-14T16:15:37.423", "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-24-542", "tags": ["Vendor Advisory"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2025-10-15T17:15:36.730", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B6548FD-E370-45D7-81D5-6EF892810052", "versionEndExcluding": "7.4.9", "versionStartIncluding": "6.4.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C30E0D-7F09-42D2-9EB1-E2196BD50D75", "versionEndExcluding": "7.6.4", "versionStartIncluding": "7.6.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DA70753-E996-4081-9C13-7F60AC993B09", "versionEndExcluding": "7.6.4", "versionStartIncluding": "7.0.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:feature:*:*:*", "vulnerable": true, "matchCriteriaId": "53197A72-5D08-4938-A415-72C573024BF3"}, {"criteria": "cpe:2.3:a:fortinet:fortisase:25.3.40:*:*:*:mature:*:*:*", "vulnerable": true, "matchCriteriaId": "2603C391-AEC6-450A-A30A-4F8682F9565D"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}