What is CVE-2025-13984?

CVE-2025-13984 is a medium-severity vulnerability in Drupal Next.js, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 6.1/10. Published 2026-01-28.

How severe is CVE-2025-13984?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Drupal Next.js

CVE-2025-13984

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.

EPSS: 0.001 (3.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Drupal Next.js — versions 0.0.0, 2.0.0
Kanopi Next.js

Weakness classification (CWE)

CWE-942 — Permissive Cross-domain Policy with Untrusted Domains

References

mlhess@drupal.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-13984?: CVE-2025-13984 is a medium-severity vulnerability in Drupal Next.js, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 6.1/10. Published 2026-01-28.
How severe is CVE-2025-13984?: Medium severity. CVSS v3 base score is 6.1 out of 10.