CVE-2023-28994 WordPress Flatsome Theme <= 3.16.8 is vulnerable to Cross Site Scripting (XSS)

Q: What is CVE-2023-28994?

CVE-2023-28994 is a high-severity cross-site scripting vulnerability in UX-themes Flatsome, published on 23 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2023-28994 being exploited?

There is no known exploitation of CVE-2023-28994 in the wild and no public exploit code.

Q: How do I fix CVE-2023-28994?

No fix has been published for CVE-2023-28994 yet. Limit exposure of the affected software until one is available.

High 7.1 Published 23 Aug 2023 Updated 28 Apr 2026

An unauthenticated attacker can execute arbitrary scripts in the victim's browser via reflected XSS in the Flatsome WordPress theme.

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-2023-28994?

CVE-2023-28994 is a high-severity cross-site scripting vulnerability in UX-themes Flatsome, published on 23 Aug 2023. 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

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in UX-themes Flatsome plugin <= 3.16.8 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-28994?

It affects 1 product.

Products include Uxthemes Flatsome.

How do I fix CVE-2023-28994?

No fix has been published for CVE-2023-28994 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-2023-28994 being exploited?

There is no known exploitation of CVE-2023-28994 in the wild and no public exploit code.

Sources

Also known as GHSA-37v5-c725-c494.