Craft CMS stores arbitrary content provided by unauthenticated users in session files
CISA confirma la explotación de esta vulnerabilidad en ataques reales. Prioriza comprobar si afecta a tu aplicación. CISA KEV · CC0 1.0
Craft CMS stores arbitrary content provided by unauthenticated users in session files. This content could be accessed and executed, possibly using an independent vulnerability. Craft CMS redirects requests that require authentication to the login page and generates a session file on the server at /var/lib/php/sessions. Such session files are named sess_[session_value], where [session_value] is provided to the client in a Set-Cookie response header. Craft CMS stores the return URL requested by the client without sanitizing parameters. Consequently, an unauthenticated client can introduce arbitrary values, such as PHP code, to a known local file location on the server. Craft CMS versions 5.7.5 and 4.15.3 have been released to address this issue.
Software afectado
Haz clic en una tecnología para ver todas sus vulnerabilidades.
| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de Composer | craftcms/cms | >= 5.0.0-alpha.1, < 5.7.5, < 4.15.3 | 5.7.5, 4.15.3 |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2025-35939
- https://github.com/craftcms/cms/pull/17220
- https://github.com/craftcms/cms/commit/e4c7bac8f31010aee048409f9ef6f744a83146b2
- https://github.com/craftcms/cms
- https://github.com/craftcms/cms/releases/tag/4.15.3
- https://github.com/craftcms/cms/releases/tag/5.7.5
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-147-01.json
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-35939
- https://www.cve.org/CVERecord?id=CVE-2025-35939
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:H- Debilidad (CWE)
CWE-472- Plataforma
- Composer
- Paquete
craftcms/cms- Publicada
- 08.05.2025
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-7vrx-9684-xrf2 - CC BY 4.0
Historial de vulnerabilidades: craftcms/cms
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
- 127
- Primera → última
- 07.2021 08.2026
- Sin corrección
- 6
- Explotada en ataques
- 4
Distribución por gravedad
- Crítica 9
- Alta 41
- Media 65
- Baja 12
Divulgaciones por año
- 2021: 3
- 2022: 22
- 2023: 13
- 2024: 9
- 2025: 6
- 2026: 74
-
Craft CMS stores arbitrary content provided by unauthenticated users in session files 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.