Drupal core - SA-CORE-2021-003
Update: 2021-06-11: Added CVE-2021-33829 identifier
Drupal core uses the third-party CKEditor library. This library has an error in parsing HTML that could lead to an XSS attack. CKEditor 4.16.1 and later include the fix.
Update: 2021-06-11: More details are available on CKEditor's blog.
Users of the CKEditor library via means other than Drupal core should update their 3rd party code (e.g. the WYSIWYG module for Drupal 7). The Drupal Security Team policy is not to alert for issues affecting 3rd party libraries unless those are shipped with Drupal core. See DRUPAL-SA-PSA-2016-004 for more details.
This issue is mitigated by the fact that it only affects sites with CKEditor enabled.
Software afectado
Haz clic en una tecnología para ver todas sus vulnerabilidades.
| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de Composer | drupal/core | >= 8.0.0, < 8.9.16, >= 9.0.0, < 9.0.14, >= 9.1.0, < 9.1.9 | 8.9.16, 9.0.14, 9.1.9 |
| Paquete de Composer | drupal/drupal | >= 7.0.0, < 7.80, >= 8.0.0, < 8.9.16, >= 9.0.0, < 9.0.14, >= 9.1.0, < 9.1.9 | 7.80, 8.9.16, 9.0.14, 9.1.9 |
| Drupal (núcleo) | drupal/core | >= 8.0.0, < 8.9.16, >= 9.0.0, < 9.0.14, >= 9.1.0, < 9.1.9 | 8.9.16, 9.0.14, 9.1.9 |
| Paquete de npm | ckeditor4 | >= 4.14.0, < 4.16.1 | 4.16.1 |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2021-33829
- https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2021-33829.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2021-33829.yaml
- https://github.com/ckeditor/ckeditor4
- https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD
- https://www.drupal.org/sa-core-2021-003
- https://www.npmjs.com/package/ckeditor4
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Debilidad (CWE)
CWE-79- Plataforma
- Composer, Drupal, npm
- Paquete
drupal/core, drupal/drupal, ckeditor4- Publicada
- 26.05.2021
- Actualizado
- 11.10.2026 13:17
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-rgx6-rjj4-c388 - CC BY 4.0
OSV / GitHub Advisory Database - DRUPAL-CORE-2021-003 - CC BY-SA 2.0; code GPL-2.0-or-later
Historial de vulnerabilidades: drupal/drupal
Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 81
- Primera → última
- 03.2018 11.2024
- Sin corrección
- 0
- Explotada en ataques
- 4
Distribución por gravedad
- Crítica 9
- Alta 28
- Media 42
- Baja 2
Divulgaciones por año
- 2018: 3
- 2019: 7
- 2020: 8
- 2021: 2
- 2022: 42
- 2023: 0
- 2024: 19
- 2025: 0
- 2026: 0
-
Drupal core - SA-CORE-2021-003 esta entrada
Identifica las vulnerabilidades de tu aplicación
Con la integración de DockRay y el inventario de software activado, DockRay compara las versiones notificadas de los componentes con las vulnerabilidades conocidas y avisa de las coincidencias confirmadas. La cobertura depende de la tecnología compatible y de los avisos disponibles.