CVE-2026-110847
CVE-2026-110847 · n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Chat Trigger customCss Parameter
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n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n user authentication whose payload executes on the instance origin, acting on the sessions of signed-in visitors.
CVSS 7.0 · Alta · EPSS 0,4% · Corrección disponible
- Publicación
- Actualización
Productos y versiones afectados
n8n
- Versiones
- ≥ 0, < 1.123.83: Afectada (semver)
- ≥ 2.0.0, < 2.41.4: Afectada (semver)
- ≥ 2.42.0, < 2.42.1: Afectada (semver)
Actualiza a 1.123.83; Actualiza a 2.41.4; Actualiza a 2.42.1