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TI-2026-13334 Aliases CVE-2026-15917GHSA-pw57-w545-279f

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011

Priority LOW 21CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
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. 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 versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00206 10th percentileScored 2026-11-07
Fix Fixed Drupal core (Drupal): 11.3.14, 11.4.4

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 11.3.14; 11.4.0 to before 11.4.4; 0.0.0 and later11.3.14, 11.4.4Patch availableCNA
  • Drupal core VendorDrupal Affected 11.3.0 to before 11.3.14; 11.4.0 to before 11.4.4; 0.0.0 and later Fixed in 11.3.14, 11.4.4 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*——Drupal
  • cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* Versions — — ·Drupal

Remediation

  • Fix · CNA Drupal core (Drupal) Fixed in 11.3.14, 11.4.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15917
  2. 2026-10-03 Alias added: GHSA-pw57-w545-279f

References

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 941 →

Sources

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