CVE-2026-0749 Cross-Site Scripting Vulnerability in Drupal Form Builder Module
Attackers can inject malicious scripts via the Drupal Form Builder module, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-0749?
CVE-2026-0749 is a medium-severity cross-site scripting vulnerability in Drupal, published on 28 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Form Builder allows Cross-Site Scripting (XSS).This issue affects Drupal: from 7.X-1.0 through 7.X-1.22.
Weakness: CWE-79
Which versions are affected by CVE-2026-0749?
It affects 1 product.
Products include Silence Form Builder.
How do I fix CVE-2026-0749?
Upgrade to a fixed version.
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-2026-0749 being exploited?
There is no known exploitation of CVE-2026-0749 in the wild and no public exploit code.
Sources
Also known as CLSA-2026-1789633654, GHSA-fw4r-9q4w-pxx8.