Next.js XSS via Permissive CrossDomain Policy (1.6.4, 2.0.1)
CVE-2025-13984 Published on January 28, 2026

Next.js - Critical - Access bypass - SA-CONTRIB-2025-122
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.

NVD

Vulnerability Analysis

CVE-2025-13984 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

Permissive Cross-domain Policy with Untrusted Domains

The software uses a cross-domain policy file that includes domains that should not be trusted.


Affected Versions

Drupal Next.js:

Exploit Probability

EPSS
0.03%
Percentile
9.37%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.