Advisory severityMedium4.6Fortinet

Medium [CVE-2025-53608] FortiSandbox: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in…

This medium-severity Fortinet advisory covers CVE-2025-53608; related products: FortiSandbox.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2025-53608 Source published Mar 10, 2026Source updated Jun 17, 2026

VulniPulse record published Mar 10, 2026Record updated Jun 17, 2026

CVE-2025-53608

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Summary

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an authenticated privileged attacker to execute code via crafted requests.

Affected versions

FortiSandbox 5.0: 5.0.0 through 5.0.2
FortiSandbox 4.4: 4.4.0 through 4.4.7
FortiSandbox 4.2: 4.2 all versions
FortiSandbox 4.0: 4.0 all versions

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Fixed versions

FortiSandbox 5.0: 5.0.3
FortiSandbox 4.4: 4.4.8
FortiSandbox 4.2: migrate to a fixed release
FortiSandbox 4.0: migrate to a fixed release

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Upgrade per the Affected/Solution table: FortiSandbox 5.0: 5.0.3; FortiSandbox 4.4: 4.4.8; FortiSandbox 4.2: migrate to a fixed release; FortiSandbox 4.0: migrate to a fixed release.

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

FortiGuard PSIRT Advisoriesofficial
Official vendor feed — the source of truth for this advisory. VulniPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://filestore.fortinet.com/fortiguard/rss/ir.xml; this link opens the Fortinet advisory index instead of the raw feed document.
Fortinet
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Fortinet

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2025-53608NVD CVE.org MITRE

Official resources

FortiSandbox documentation & upgrade guides
Official documentation
This advisory names 5.0 / 4.4 / 4.2 as the first fixed releases — official upgrade documentation for FortiSandbox.

Discussion(0)

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