Main Vulnerability Database Vulnerabilities #VU137527

Cross-site scripting in Fortinet, Inc products - CVE-2026-23573

Published: July 14, 2026

Vulnerability identifier: #VU137527

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

CVE-ID: CVE-2026-23573

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper neutralization of input during web page generation ('cross-site scripting'). An authenticated remote user can execute code or commands via crafted requests.

Affected software

FortiPAM
FortiProxy
FortiOS

How to mitigate CVE-2026-23573

Install update from vendor's website.

FortiPAM - update to 1.8.1
FortiProxy - addressed in versions 7.2.10, 7.4.4
FortiOS - update to 7.6.7

External References

https://www.fortiguard.com/psirt/FG-IR-26-150

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