What is GHSA-39h3-jjqw-8pch?

GHSA-39h3-jjqw-8pch is a security advisory published by GitHub Security Advisories with High severity. Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in...

Which CVE IDs does GHSA-39h3-jjqw-8pch cover?

GHSA-39h3-jjqw-8pch covers the following CVE IDs: CVE-2026-109290. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-39h3-jjqw-8pch?

GHSA-39h3-jjqw-8pch has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-39h3-jjqw-8pchHighCVSS 7.3

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in...

Vendor

GitHub Security Advisories

Published

October 12, 2026

Last Modified

October 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-109290 →

📋 Description

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.

🔗 References (4)

https://github.com/open-webui/open-webui/security/advisories/GHSA-f9xp-mfmq-x6cg
https://nvd.nist.gov/vuln/detail/CVE-2026-109290
https://www.vulncheck.com/advisories/open-webui-0.11.1-before-0.11.4-stored-xss-via-docx-preview
https://github.com/advisories/GHSA-39h3-jjqw-8pch