CVE-2025-52436

⚠️ high

Summary

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an unauthenticated attacker to execute commands via crafted requests.

CVSS Score

8.8

High

EPSS Score

0.2

Exploit Probability

Published Date

2026-02-10

First Seen: 2026-02-11

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 81.1% of all 321,566 vulnerabilities in our database.

#60,805

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Feb 11, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-02-18

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-79

📦 Affected Products 2

Vendor	Product	Status	Affected Versions
fortinet	fortisandbox	Affected	> 4.0.0 < 4.4.8
fortinet	fortisandbox	Affected	> 5.0.0 < 5.0.2

🔗 References 1

https://fortiguard.fortinet.com/psirt/FG-IR-25-093

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-26083	⛔ critical	9.8	0.1	A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, Fo...	2026-05-12
CVE-2026-39808	⛔ critical	9.8	0.3	A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet F...	2026-04-14
CVE-2026-39812	🔶 medium	4.8	0.0	A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSa...	2026-04-14
CVE-2026-39813	⛔ critical	9.8	0.1	A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4....	2026-04-14
CVE-2025-53608	🔶 medium	4.8	0.0	An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerabi...	2026-03-10
CVE-2025-67685	ℹ️ low	3.8	0.0	A Server-Side Request Forgery (SSRF) vulnerability [CWE-918] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.4,...	2026-01-13

These CVEs affect the same products