CVE-2026-6367

MEDIUM

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003

Title source: cna

Description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 11.3.0 before 11.3.7.

References (1)

Core 1

Core References

https://www.drupal.org/sa-core-2026-003

Scores

CVSS v3 6.1

EPSS 0.0003

EPSS Percentile 9.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

drupal/drupal 11.3.0 - 11.3.7

Drupal/Drupal core 11.3.0 - 11.3.7

Published May 19, 2026

Tracked Since May 20, 2026