Fortinet FortiSandbox and FortiSandbox PaaS Cross-Site Scripting Vulnerability

Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in Fortinet FortiSandbox versions 5.0.0 to 5.0.4, as well as FortiSandbox PaaS versions 5.0.0 to 5.0.4. This vulnerability allows an attacker to perform an XSS attack by sending crafted HTTP requests.

Impact

Exploitation of this vulnerability allows for cross-site scripting attacks, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users are advised to upgrade Fortinet FortiSandbox to version 5.0.5 or above. For FortiSandbox PaaS, upgrade to version 5.0.5 or above.

Added: Apr 14, 2026, 6:01 PM
Updated: Apr 14, 2026, 6:01 PM

Vulnerability Rating

Custom Algorithm
spread
2.6
impact
1.7
exploitability
4.4
remediation
7.7
relevance
5.9
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.