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Open WebUI has stored XSS via the HTML renedering view

🗓️ 14 May 2026 20:16:07Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 7 Views

Open WebUI 0.5.4 stores XSS in HTML rendering via iframe, allowing token exfiltration.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-45303
15 May 202621:21
attackerkb
Circl
CVE-2026-45303
8 May 202620:57
circl
CNNVD
Open WebUI 跨站脚本漏洞
15 May 202600:00
cnnvd
CVE
CVE-2026-45303
15 May 202621:21
cve
Cvelist
CVE-2026-45303 Open WebUI: Stored XSS via the HTML renedering view
15 May 202621:21
cvelist
EUVD
EUVD-2026-30654
15 May 202621:21
euvd
NVD
CVE-2026-45303
15 May 202622:16
nvd
OSV
GHSA-4VRC-M9CH-6M3R Open WebUI has stored XSS via the HTML renedering view
14 May 202620:16
osv
Positive Technologies
PT-2026-41164
14 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-45303
19 May 202613:56
redhatcve
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Vulners
Node
open-webuiRange<0.6.5pip

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19 May 2026 15:58Current
6Medium risk
Vulners AI Score6
CVSS 3.17.7
EPSS0.00036
SSVC
7