🛡️ CVE-2026-55805 — core
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
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| drupal/core | 11.2.0 | 11.3.0 |
References
Similar Threats
- Unknown CLSA-2026-1776214337
- Unknown CLSA-2026-1778201069
- Unknown CLSA-2026-1779410881
- Unknown CLSA-2026-1783645405
- Unknown CLSA-2026-1784682869
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
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