CVE-2026-15917

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

State: Published
Severity: 4.7 Medium
Published: Aug 25, 2026
Updated: Aug 26, 2026
Reserved: Jul 15, 2026

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.*.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")

Affected Products

Product	Versions
Drupal coreDrupal	11.3.0 to before 11.3.14Affected 11.4.0 to before 11.4.4Affected 0.0.0 to before 11.2.*Affected

References

https://www.drupal.org/sa-core-2026-011

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