PT-2026-33242 · Drupal · Drupal

Cantina_Security + 9 · Published 2026-04-15 · Updated 2026-05-21 · CVE-2026-6367

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Drupal core versions 11.3.0 through 11.3.6

Description Drupal core contains an issue where entity suggestions provided during the process of adding a link to CKEditor 5 are not sufficiently sanitized. This allows a malicious user to trigger a stored cross-site scripting (XSS) attack against other users. Cross-site scripting is a flaw where an application includes untrusted data in a web page without proper validation, allowing attackers to execute malicious scripts in the victim's browser.

Recommendations Update to version 11.3.7.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2026-07318

BIT-DRUPAL-2026-6367

CVE-2026-6367

DRUPAL-CORE-2026-003

Affected Products

Drupal

References · 9

• https://osv.dev/vulnerability/DRUPAL-CORE-2026-003 · Vendor Advisory
• https://drupal.org/sa-core-2026-003 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07318 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6367 · Security Note
• https://osv.dev/vulnerability/BIT-drupal-2026-6367 · Vendor Advisory
• https://t.me/CVEtracker/54301 · Telegram Post
• https://t.me/cveNotify/164308 · Telegram Post
• https://1275.ru/vulnerability/kriticheskaya-uyazvimost-v-drupal-ugrozhaet-millionam-saytov-obnaruzheny-dyry-dlya-udalyonnogo-vypolneniya-koda-i-xss_23701 · Note
• https://t.me/cveNotify/164137 · Telegram Post