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TI-2026-05586 Aliases CVE-2026-6367GHSA-pw6f-3999-xp7g

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

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 10th percentileScored 2026-11-07
Fix Fixed Drupal core (Drupal): 11.3.7drupal/core (Packagist): 11.3.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DrupalDrupal core11.3.0 to before 11.3.711.3.7Patch availableCNA
—drupal/core (Packagist)11.3.0 to before 11.3.711.3.7Patch availableGHSA-pw6f-3999-xp7g
  • Drupal core VendorDrupal Affected 11.3.0 to before 11.3.7 Fixed in 11.3.7 Patch available CNA
  • drupal/core (Packagist) Vendor— Affected 11.3.0 to before 11.3.7 Fixed in 11.3.7 Patch available GHSA-pw6f-3999-xp7g

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*11.3.0 to before 11.3.7VulnerableDrupal
  • cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* Versions 11.3.0 to before 11.3.7 Vulnerable ·Drupal

Remediation

  • Fix · CNA Drupal core (Drupal) Fixed in 11.3.7
  • Fix · GHSA-pw6f-3999-xp7g drupal/core (Packagist) Fixed in 11.3.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6367
  2. 2026-10-03 Alias added: GHSA-pw6f-3999-xp7g

References

Advisory 2

Other 1

  • TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
  • TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
  • TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
See all 278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences