CVE-2026-23573 Cross-site scripting in FortiOS
Authenticated remote attackers can execute code or commands via crafted requests in FortiOS, FortiPAM, and FortiProxy due to improper input neutralization.
- 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-2026-23573?
CVE-2026-23573 is a medium-severity cross-site scripting vulnerability in Fortinet Fortios, published on 14 Jul 2026. 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
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.8.0, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.3, FortiProxy 7.2.0 through 7.2.9 may allow an authenticated remote user to execute code or commands via crafted requests.
Weakness: CWE-79
Which versions are affected by CVE-2026-23573?
It affects 3 products.
Products include Fortinet Fortios, Fortinet Fortipam, Fortinet Fortiproxy.
How do I fix CVE-2026-23573?
No fix has been published for CVE-2026-23573 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-2026-23573 being exploited?
There is no known exploitation of CVE-2026-23573 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortios
Sources
Also known as GHSA-7r2p-wwg4-j6v8.