[CVE-2026-109290] Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPre…

Descripción técnica

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing administrator's session token from local storage and take over the instance.

Puntuación CVSS

Score: 7.3/10 — Severidad: HIGH — Estado NIST: Received

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Debilidades (CWE)

CWE-79

Fuente oficial

Publicado en NIST NVD.