CVE-2024-35280 Cross-site scripting in FortiDeceptor

Medium 5.1 Published 15 Jan 2025 Updated 4 Feb 2026

An attacker can execute arbitrary scripts in the victim's browser via reflected XSS in FortiDeceptor recovery endpoints.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-35280?

CVE-2024-35280 is a medium-severity cross-site scripting vulnerability in Fortinet FortiDeceptor, published on 15 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-79

Which versions are affected by CVE-2024-35280?

It affects 1 product.

Products include Fortinet Fortideceptor.

How do I fix CVE-2024-35280?

No fix has been published for CVE-2024-35280 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-35280 being exploited?

There is no known exploitation of CVE-2024-35280 in the wild and no public exploit code.

Sources

Also known as GHSA-8qj2-9q5v-gh42.