CVE-2025-61886
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.4, FortiSandbox PaaS 5.0.0 throu
Severity
Medium 4.9
CVSS 3.1
Exploited
Not listed
EPSS
0.003
20.1th percentile
Discovered by
Vendor
Vendor advisory field
Published
Apr 14, 2026
Assigned by fortinet
Description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.4, FortiSandbox PaaS 5.0.0 through 5.0.4 may allow an attacker to perform an XSS attack via crafted HTTP requests.
Weakness: CWE-79
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Fortinet | FortiSandbox | Threat Detection & Sandbox | cna-assigner |
Vendor-reported products (2)
- Fortinet · FortiSandbox PaaS
- Fortinet · FortiSandbox
Credit
Internally discovered and reported by William Hsu from Fortinet InfoSec team.
Vendor remediation
Upgrade to FortiSandbox PaaS version 5.0.5 or above Upgrade to FortiSandbox version 5.0.5 or above