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CVE-2026-45303

🗓️ 15 May 2026 21:21:43Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 63 Views

Stored cross site scripting in Open WebUI HTML rendering view prior to 0.6.5 via sandboxed iframe.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45303
15 May 202621:21
–attackerkb
bdu_fstec
BDU FSTEC
Open WebUI XSS
28 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-45303
8 May 202620:57
–circl
cnnvd
CNNVD
Open WebUI Cross-Site Script Vulnerability
15 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-45303 Open WebUI: Stored XSS via the HTML renedering view
15 May 202621:21
–cvelist
euvd
EUVD
EUVD-2026-30654
15 May 202621:21
–euvd
github
Github Security Blog
Open WebUI has stored XSS via the HTML renedering view
14 May 202620:16
–github
mend
Mend
CVE-2026-45303
15 May 202621:21
–mend
nvd
NVD
CVE-2026-45303
15 May 202622:16
–nvd
osv_ghsa
osv_ghsa
GHSA-4VRC-M9CH-6M3R Open WebUI has stored XSS via the HTML renedering view
14 May 202620:16
–osv_ghsa
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.6.5",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:51Current
7.6High risk
Vulners AI Score7.6
CVSS 3.17.7
EPSS0.00225
SSVC
63