CVE-2026-55805

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012

State: Published
Severity: 5.4 Medium
Published: Aug 25, 2026
Updated: Aug 26, 2026
Reserved: Jun 17, 2026

Description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Stored XSS. This issue affects Drupal core versions: from 0.0.0 to 10.6.13, from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*, from 0.0.0 to 11.2.*.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/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	0.0.0 to before 10.6.13Affected 11.3.0 to before 11.3.14Affected 11.4.0 to before 11.4.4Affected 0.0.0 to before 11.0.Affected 0.0.0 to before 11.1.Affected 0.0.0 to before 11.2.*Affected

References

https://www.drupal.org/sa-core-2026-012

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