CVE-2021-36175 Cross-site scripting in Fortinet FortiWebManager

Medium 4.1 Published Updated

Remote authenticated attackers can inject malicious scripts via input parameters in FortiWebManager, potentially compromising user sessions or data.

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

What is CVE-2021-36175?

CVE-2021-36175 is a medium-severity cross-site scripting vulnerability in Fortinet Fortiweb, published on 6 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An improper neutralization of input vulnerability [CWE-79] in FortiWebManager versions 6.2.3 and below, 6.0.2 and below may allow a remote authenticated attacker to inject malicious script/tags via the name/description/comments parameter of various sections of the device.

Weakness: CWE-79

Which versions are affected by CVE-2021-36175?

It affects 1 product.

Products include Fortinet Fortiweb.

How do I fix CVE-2021-36175?

No fix has been published for CVE-2021-36175 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-2021-36175 being exploited?

There is no known exploitation of CVE-2021-36175 in the wild and no public exploit code.

All Fortinet Fortiweb vulnerabilities

Sources

Also known as GHSA-4343-wxmv-4jg6.

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