FortiOS

CVE-2024-26006: Improper neutralization of input during web page Generation in FortiProxy, FortiOS

An improper neutralization of input during web page Generation vulnerability [CWE-79] in FortiOS version 7.4.3 and below, version 7.2.7 and below, version 7.0.13 and below and FortiProxy version 7.4.3 and below, version 7.2.9 and below, version 7.0.16 and below web SSL VPN UI may allow a remote unauthenticated attacker to perform a Cross-Site Scripting attack via a malicious samba server.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.9
EPSS0.61%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
FortiProxy 7.4.0 to 7.4.37.4.4 or later
FortiProxy 7.2.0 to 7.2.97.2.10 or later
FortiProxy 7.0.0 to 7.0.167.0.17 or later
FortiOS 7.4.0 to 7.4.37.4.4 or later
FortiOS 7.2.0 to 7.2.77.2.8 or later
FortiOS 7.0.0 to 7.0.137.0.14 or later
FortiOS 6.4.0 to 6.4.15Upgrade past 6.4.15; see the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

An improper neutralization of input during web page Generation vulnerability [CWE-79] in FortiOS version 7.4.3 and below, version 7.2.7 and below, version 7.0.13 and below and FortiProxy version 7.4.3 and below, version 7.2.9 and below, version 7.0.16 and below web SSL VPN UI may allow a remote unauthenticated attacker to perform a Cross-Site Scripting attack via a malicious samba server.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.

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