CVE-2026-55805
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012
MEDIUM 5.4
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 13 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- drupal
- NVD status
- Awaiting Analysis
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.*.
Weaknesses (CWE)
- CWE-79 — Cross-site Scripting (XSS)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Advisories
- DRUPAL-CORE-2026-012 — The Layout Builder module doesn't sufficiently sanitize block labels in certain scenarios, which can lead to a cross-site scripting (XSS) vulnerability.
European references
- ENISA EUVD · EUVD-2026-66183
- GCVE · GCVE-0-2026-55805
CERT-FR advisories
- CERTFR-2026-AVI-0889 — Multiples vulnérabilités dans Drupal · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Drupal · Drupal core | affected 0.0.0 < 10.6.13 ; affected 11.3.0 < 11.3.14 ; affected 11.4.0 < 11.4.4 ; affected 0.0.0 < 11.0.* ; affected 0.0.0 < 11.1.* ; affected 0.0.0 < 11.2.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |