Medium severity · published Apr 9, 2019
CVE-2018-1356
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiSandbox before 3.0 may allow an attacker to execute unauthorized code or commands via the back_url parameter…
6.1
CVSS
0.9%
EPSS
No
On KEV
Description
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiSandbox before 3.0 may allow an attacker to execute unauthorized code or commands via the back_url parameter in the file scan component.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortisandbox · Fortinet
before 3.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1356
Third Party Advisory
http://www.securityfocus.com/bid/107838
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-18-024
More from Fortisandbox
9.8
CVE-2026-25089
Fortinet FortiSandbox OS Command Injection Vulnerability
9.8
CVE-2026-39808
Fortinet FortiSandbox OS Command Injection Vulnerability
9.9
CVE-2026-26084
A improper access control vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS…
9.8
CVE-2026-107656
An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all…
9.8
CVE-2026-26083
A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.2 through 5.0.5, FortiSandbox PaaS…