Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-hcwp-82g6-8wxc | Open WebUI has stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify) |
Mon, 18 May 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openwebui
Openwebui open Webui |
|
| CPEs | cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openwebui
Openwebui open Webui |
Mon, 18 May 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 15 May 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Open-webui
Open-webui open-webui |
|
| Vendors & Products |
Open-webui
Open-webui open-webui |
Fri, 15 May 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS (CVE-2026-44549). The same root cause — XLSX.utils.sheet_to_html() output rendered via {@html excelHtml} without DOMPurify — was reintroduced sometime after v0.8.0 and is exploitable again This vulnerability is fixed in 0.9.3. | |
| Title | Open WebUI: Stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify) | |
| Weaknesses | CWE-79 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-18T12:45:27.097Z
Reserved: 2026-05-11T20:50:30.539Z
Link: CVE-2026-45318
Updated: 2026-05-18T12:45:21.702Z
Status : Analyzed
Published: 2026-05-15T22:16:54.653
Modified: 2026-06-17T10:51:54.767
Link: CVE-2026-45318
No data.
OpenCVE Enrichment
Updated: 2026-05-16T00:30:11Z
Github GHSA