CVE-2021-32602 Cross-site scripting in Fortinet FortiPortal

What is CVE-2021-32602?

CVE-2021-32602 is a medium-severity cross-site scripting vulnerability in Fortinet FortiPortal, published on 18 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below, 5.3.6 and below, 5.2.6 and below, 5.1.2 and below, 5.0.3 and below, 4.2.2 and below, 4.1.2 and below, 4.0.4 and below may allow a remote and unauthenticated attacker to perform an XSS attack via sending a crafted request with an invalid lang parameter or with an invalid org.springframework.web.servlet.i18n.CookieLocaleResolver.LOCALE value.

Weakness: CWE-79

Which versions are affected by CVE-2021-32602?

It affects 1 product.

Products include Fortinet Fortiportal.

How do I fix CVE-2021-32602?

No fix has been published for CVE-2021-32602 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-2021-32602 being exploited?

There is no known exploitation of CVE-2021-32602 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiPortal

• CVE-2021-32590 SQL injection in Fortinet FortiPortal Critical 9.9
• CVE-2021-32588 Hardcoded credentials in Fortinet FortiPortal Critical 9.8
• CVE-2017-7342 Security feature bypass in Fortinet FortiPortal Critical 9.8
• CVE-2017-7337 Missing authorization in Fortinet FortiPortal Critical 9.1
• CVE-2025-24470 Path traversal in FortiPortal High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-525v-wrc2-rphr.