CVE-2026-26248
CVSS Score
7.9
EPSS Score
0.0%
EPSS Percentile
0th
A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to perform an XSS attack via social engineering and crafted HTTP requests.
| CWE | CWE-79 |
| Vendor | fortinet |
| Product | fortisandbox |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Nov 10, 2026 |
| Last Updated | Nov 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Fortinet / FortiSandbox
5.0.0 ≤ 5.0.5 4.4.0 ≤ 4.4.8 4.2.1 ≤ 4.2.8
Fortinet / FortiSandbox Cloud
5.0.4 ≤ 5.0.5
Fortinet / FortiSandbox PaaS
5.0.4 ≤ 5.0.5