Vulnerability · Published Dec 9, 2025 · Assigned by fortinet
CVE-2025-54353
Medium 5.3
In plain English
A medium-severity cross-site scripting in FortiSandbox from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.3% (higher than 94% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)6.3%top 6.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an attacker to perform an XSS attack via crafted HTTP requests.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiSandbox | 5.0.0 – through 5.0.24.4.0 – through 4.4.74.2.1 – through 4.2.84.0.0 – through 4.0.6 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:F/RL:X/RC:C