CVE-2025-13984 Next.js - Critical - Access bypass - SA-CONTRIB-2025-122
A permissive cross-domain security policy in the Drupal Next.js module allows attackers to execute Cross-Site Scripting (XSS) attacks.
- 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
- Available
What is CVE-2025-13984?
CVE-2025-13984 is a medium-severity cross-site scripting vulnerability in Drupal Next.js, published on 28 Jan 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
Permissive Cross-domain Security Policy with Untrusted Domains vulnerability in Drupal Next.Js allows Cross-Site Scripting (XSS).This issue affects Next.Js: from 0.0.0 before 1.6.4, from 2.0.0 before 2.0.1.
Weakness: CWE-942
Which versions are affected by CVE-2025-13984?
It affects 1 product.
Linux distribution packages (1)
drupal/next Packagist:https://packages.drupal.org/8 | All versions | 1.6.4, 2.0.1 |
Products include Kanopi Next.js.
How do I fix CVE-2025-13984?
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-2025-13984 being exploited?
There is no known exploitation of CVE-2025-13984 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CONTRIB-2025-122, GHSA-2fw7-6f7r-fx94.