EUVD-2026-22342

| CVE-2026-39812 MEDIUM

2026-04-14 fortinet

GHSA-9q3x-6267-mffc

Fortinet XSS Fortisandbox Fortisandbox Paas

4.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Apr 14, 2026 - 17:05 vuln.today

CVSS Changed

Apr 14, 2026 - 16:22 NVD

4.3 (MEDIUM) 4.8 (MEDIUM)

DescriptionNVD

A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.5, FortiSandbox PaaS 4.4.0 through 4.4.8, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>

AnalysisAI

Stored cross-site scripting (XSS) in Fortinet FortiSandbox and FortiSandbox PaaS versions 4.2 through 5.0.5 allows authenticated administrators with high privileges to inject malicious scripts into web pages, leading to unauthorized code execution when other users interact with compromised content. The vulnerability requires user interaction (UI:R) and affects confidentiality and integrity but not availability. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

EUVD-2026-22342 vulnerability details – vuln.today

Back