CVE-2025-52436

criticalpriority · track · 41EPSS 0.073 · 94 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

7.31% (94th) EPSS

CVSS 9.6 · critical

Is it mine?

18 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.9–9.6

v3.19.6criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 6

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.9highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-79US

affected products (18)

Products and version ranges known to be affected.

Fortinet FortiSandbox <4.4.8all versionscert_bundDE
Fortinet FortiSandbox <5.0.2all versionscert_bundDE
Fortinet FortiSandbox< 4.4.8cert_bundDE
Fortinet FortiSandbox< 5.0.2cert_bundDE
Fortinet FortiSandbox≤ 4.2.1 ≤4.2.8enisa_euvdEU
Fortinet FortiSandbox≤ 5.0.0 ≤5.0.1enisa_euvdEU
Fortinet FortiSandbox≤ 4.4.0 ≤4.4.7enisa_euvdEU
Fortinet FortiSandbox≤ 4.0.0 ≤4.0.6enisa_euvdEU
Fortinet Inc. FortiSandbox≤ 4.2fstec_bduRU
Fortinet Inc. FortiSandbox≤ 4.0fstec_bduRU
Fortinet Inc. FortiSandbox4.4.0 → 4.4.8fstec_bduRU
Fortinet Inc. FortiSandbox5.0.0 → 5.0.2fstec_bduRU
Fortinet FortiAuthenticator≤ vers:unknown/*ncsc_nlNL
Fortinet FortiClient≤ vers:unknown/*ncsc_nlNL
Fortinet FortiClientWindows≤ vers:unknown/*ncsc_nlNL
Fortinet FortiSandbox≤ vers:unknown/*ncsc_nlNL
fortinet fortisandbox4.0.0 → 4.4.8nvdUScpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*
fortinet fortisandbox5.0.0 → 5.0.2nvdUScpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0060Kwetsbaarheden verholpen in Fortinet FortiSandbox, FortiAuthenticator en FortiClientNL2026-02-11csaf · ncsc_nlNL
Fortinet heeft kwetsbaarheden verholpen in FortiSandbox (versies 4.4.8 en 5.0.5), FortiAuthenticator (versies 6.3 tot 6.6.6) en FortiClient (versies 7.0, 7.2 en 7.4).
WID-SEC-W-2026-0385Fortinet FortiSandbox: Schwachstelle ermöglicht Cross-Site ScriptingDeutsch2026-02-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fortinet FortiSandbox ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-02-10modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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