🛡️ CVE-2026-55805 — core

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The Layout Builder module doesn't sufficiently sanitize block labels in certain scenarios, which can lead to a cross-site scripting (XSS) vulnerability.

This is mitigated by the fact that both the attacker and the targeted user need to be using the Layout Builder editing interface.

Affected software

CVE-2026-55805 is recorded against 1 package.

  • drupal/core (from 11.2.0 up to 11.3.0)

Timeline and source

Published on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.drupal.org (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-07-15
Updated 2026-08-11
Modified 2026-07-15
Fix URL N/A

Affected Packages

Software From version Fixed in
drupal/core 11.2.0 11.3.0

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