What is GHSA-g5hc-j8wv-8p98?

GHSA-g5hc-j8wv-8p98 is a security advisory published by GitHub Security Advisories with High severity. Open WebUI from 0.6.33 before 0.11.4 contains a cross-site scripting vulnerability that allows...

Which CVE IDs does GHSA-g5hc-j8wv-8p98 cover?

GHSA-g5hc-j8wv-8p98 covers the following CVE IDs: CVE-2026-109291. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g5hc-j8wv-8p98?

GHSA-g5hc-j8wv-8p98 has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-g5hc-j8wv-8p98HighCVSS 7.3

Open WebUI from 0.6.33 before 0.11.4 contains a cross-site scripting vulnerability that allows...

Vendor

GitHub Security Advisories

Published

October 12, 2026

Last Modified

October 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-109291 →

📋 Description

Open WebUI from 0.6.33 before 0.11.4 contains a cross-site scripting vulnerability that allows authenticated users to execute script in victims' sessions by storing javascript: URLs in citation embed_url fields. Attackers can share a crafted chat whose citation, when clicked, is passed to window.open, letting them steal localStorage.token and act as the victim.

🔗 References (4)

https://github.com/open-webui/open-webui/security/advisories/GHSA-qpqv-xwg8-cqpj
https://nvd.nist.gov/vuln/detail/CVE-2026-109291
https://www.vulncheck.com/advisories/open-webui-0.6.33-before-0.11.4-stored-xss-via-citation-embed-url
https://github.com/advisories/GHSA-g5hc-j8wv-8p98