CVSS v3
8.8
HIGH
EPSS Score
6.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
none
SSVC status
Description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an unauthenticated attacker to execute commands via crafted requests.
Technical details
- Published
- 2026-02-10
- Last Modified
- 2026-02-18
Frequently asked questions
What is CVE-2025-52436?
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an unauthenticated attacker to execute commands via crafted requests.
Is CVE-2025-52436 actively exploited?
Active exploitation of CVE-2025-52436 has not been confirmed. Its EPSS score was 6.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-52436?
CVE-2025-52436 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2025-52436 affecting your environment?
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