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Fortisandbox CVE-2025-53608

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-10 psirt@fortinet.com
4.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.8 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

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

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:17 nvd
MEDIUM 4.8

DescriptionCVE.org

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an authenticated privileged attacker to execute code via crafted requests.

AnalysisAI

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an authenticated privileged attacker to execute code via crafted requests. [CVSS 4.8 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Fortisandbox. An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an authenticated privileged attacker to execute code via crafted requests.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

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Remote code execution in Fortinet FortiSandbox 4.4.x through 5.0.x (on-premises, Cloud, and PaaS deployments) allows una

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CVE-2021-26097 HIGH
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7.1 Feb 11

An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiS

CVE-2026-59835 HIGH
8.6 Jul 14

Exposure of a scanning VM's VNC service in Fortinet FortiSandbox 5.0.0-5.0.2 and 4.4.3-4.4.8 lets an unauthenticated rem

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CVE-2025-53608 vulnerability details – vuln.today

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