CVE-2026-15917
Received
Received - Intake
Cross-Site Scripting in Drupal Core
Vulnerability report for CVE-2026-15917, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-08-25
Last updated on: 2026-08-25
Assigner: Drupal.org
Description
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 versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| drupal | drupal_core | From 11.3.0 (inc) to 11.3.14 (inc) |
| drupal | drupal_core | From 11.4.0 (inc) to 11.4.4 (inc) |
| drupal | drupal_core | From 0.0.0 (inc) to 11.2.0 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |