CVE-2026-55805

unknown

Published 2026-07-15 · Modified 2026-07-15

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	drupal/core	`<10.6.13\|\|>=11.3.0,<11.3.14\|\|>=11.4.0,<11.4.4\|\|>=11.0.0,<11.1.0\|\|>=11.1.0,<11.2.0\|\|>=11.2.0,<11.3.0`	`10.6.13`

References

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

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.