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CVE-2024-35280: Cross-site scripting in FortiDeceptor

A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiDeceptor 5.3.0, FortiDeceptor 5.2.0, FortiDeceptor 5.1 all versions, FortiDeceptor 5.0 all versions, FortiDeceptor 4.3 all versions, FortiDeceptor 4.2 all versions, FortiDeceptor 4.1 all versions, FortiDeceptor 4.0 all versions, FortiDeceptor 3.3 all versions, FortiDeceptor 3.2 all versions, FortiDeceptor 3.1 all versions, FortiDeceptor 3.0 all versions may allow an attacker to perform a reflected cross-site scripting attack in the recovery endpoints

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 5.1
EPSS0.29%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
FortiDeceptor 5.35.3.1 or later
FortiDeceptor 5.25.2.1 or later
FortiDeceptor 5.1See the advisory
FortiDeceptor 5.0See the advisory
FortiDeceptor 4.3See the advisory
FortiDeceptor 4.2See the advisory
FortiDeceptor 4.1.0 to 4.1.1Upgrade past 4.1.1; see the advisory
FortiDeceptor 4.0.0 to 4.0.2Upgrade past 4.0.2; see the advisory
FortiDeceptor 3.3.0 to 3.3.3Upgrade past 3.3.3; see the advisory
FortiDeceptor 3.2.0 to 3.2.2Upgrade past 3.2.2; see the advisory
FortiDeceptor 3.1.0 to 3.1.1Upgrade past 3.1.1; see the advisory
FortiDeceptor 3.0.0 to 3.0.2Upgrade past 3.0.2; see the advisory

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

What it is

A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiDeceptor 5.3.0, FortiDeceptor 5.2.0, FortiDeceptor 5.1 all versions, FortiDeceptor 5.0 all versions, FortiDeceptor 4.3 all versions, FortiDeceptor 4.2 all versions, FortiDeceptor 4.1 all versions, FortiDeceptor 4.0 all versions, FortiDeceptor 3.3 all versions, FortiDeceptor 3.2 all versions, FortiDeceptor 3.1 all versions, FortiDeceptor 3.0 all versions may allow an attacker to perform a reflected cross-site scripting attack in the recovery endpoints

Sources

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

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