6.1Medium

CVE-2026-6367Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003

Drupal Drupal core Published: 2026-05-20 01:28 (5 months ago)

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.

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
drupal	drupal	11.3.0 – < 11.3.7
Drupal	Drupal core	11.3.0 – < 11.3.7

References and patches

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

CPE matches (NVD) (1)

cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* ≥ 11.3.0 < 11.3.7

CVSS score

6.1Medium

Source: CISA-ADP · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

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

All scores (2)

CISA-ADP	CVSS 3.1	6.1Medium
134c704f-9b21-4f2e-91b3-4a467353bcc0	CVSS 3.1	6.1Medium

EPSS (chance of exploitation in 30 days)

0.20%

higher than 10% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-04-15
Published2026-05-20 01:28
Reached IP-DB2026-10-24 23:43
Last updated2026-07-24 11:10

Assigned by (CNA): drupal
NVD status: Analyzed

View at source: CVE.org · NVD

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