CVE-2026-84280 Cross-site scripting in Fancy Product Designer
Unauthenticated attackers can inject scripts via shortcode orders that execute in the admin panel, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84280?
CVE-2026-84280 is a high-severity cross-site scripting vulnerability in radykal Fancy Product Designer, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Fancy Product Designer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Order 'elements[].title' Parameter in all versions up to, and including, 6.5.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload is written to the DOM via innerHTML within the beforeElementAdd JavaScript event handler when processing the elements[].title field from the stored order JSON, meaning execution occurs specifically when an administrator reviews shortcode orders in the WordPress admin panel.
Weakness: CWE-79
Which versions are affected by CVE-2026-84280?
How do I fix CVE-2026-84280?
No fix has been published for CVE-2026-84280 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-2026-84280 being exploited?
There is no known exploitation of CVE-2026-84280 in the wild and no public exploit code.
Sources
Also known as GHSA-j397-69jf-ffwj.