Fortinet FortiSandbox up to 4.0.6/4.2.8/4.4.7/5.0.1 cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Fortinet FortiSandbox up to 4.0.6/4.2.8/4.4.7/5.0.1 and classified as problematic. This affects an unknown part. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2025-52436. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.
Details
A vulnerability, which was classified as problematic, has been found in Fortinet FortiSandbox up to 4.0.6/4.2.8/4.4.7/5.0.1. This issue affects an unknown part. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:
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.
It is possible to read the advisory at fortiguard.fortinet.com. The identification of this vulnerability is CVE-2025-52436 since 06/16/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
Upgrading to version 4.4.8 or 5.0.2 eliminates this vulnerability.
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Product
Vendor
Name
Version
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
- 4.2.6
- 4.2.7
- 4.2.8
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.4.5
- 4.4.6
- 4.4.7
- 5.0.0
- 5.0.1
License
Website
- Vendor: https://www.fortinet.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.5
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.6
NVD Vector: 🔒
CNA Base Score: 8.8
CNA Vector (fortinet): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: FortiSandbox 4.4.8/5.0.2
Timeline
06/16/2025 CVE reserved02/10/2026 Advisory disclosed
02/10/2026 VulDB entry created
02/19/2026 VulDB entry last update
Sources
Vendor: fortinet.comAdvisory: FG-IR-25-093
Status: Confirmed
CVE: CVE-2025-52436 (🔒)
GCVE (CVE): GCVE-0-2025-52436
GCVE (VulDB): GCVE-100-345215
Entry
Created: 02/10/2026 18:35Updated: 02/19/2026 03:40
Changes: 02/10/2026 18:35 (64), 02/19/2026 03:40 (11)
Complete: 🔍
Cache ID: 216::103
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