CVE-2025-0817 FormCraft - Premium WordPress Form Builder <= 3.9.11 - Unauthenticated Stored Cross-Site Scripting via SVG File Upload
Unauthenticated attackers can inject arbitrary web scripts via SVG file uploads in the FormCraft WordPress plugin, affecting all users.
- 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-2025-0817?
CVE-2025-0817 is a high-severity cross-site scripting vulnerability in FormCraft, published on 18 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FormCraft plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 3.9.11 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 the SVG file.
Weakness: CWE-79
Which versions are affected by CVE-2025-0817?
It affects 1 product.
Products include Ncrafts Formcraft.
How do I fix CVE-2025-0817?
No fix has been published for CVE-2025-0817 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-2025-0817 being exploited?
There is no known exploitation of CVE-2025-0817 in the wild and no public exploit code.
Other vulnerabilities in FormCraft
Sources
Also known as GHSA-4qqq-vxfm-2ggv.