CVE-2026-6367
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003
6.1
MEDIUM
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2026-6367
To remediate CVE-2026-6367, upgrade the affected package to a fixed version below.
- —upgrade to 11.3.7 or later
- —upgrade to 11.3.7 or later
- —upgrade to 11.3.7 or later
Is CVE-2026-6367 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 11.3.0, < 11.3.7
- >= 11.3.0, < 11.3.7
- >= 11.3.0, < 11.3.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |