high8.7
CVE-2026-109290
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 scri…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Open WebUI From 0.11.1 | before 0.11.4 |
Versions were read from the advisory text. No structured product data has been published for this record yet.