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EUVD-2026-38335

🗓️ 22 Jun 2026 17:31:56Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Before 6.3.3, client:* caused reflected cross site scripting via unescaped slot names in data-astro-template during server rendering; fixed in 6.3.3.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-50146
22 Jun 202617:31
attackerkb
Circl
CVE-2026-50146
12 Jun 202616:47
circl
CVE
CVE-2026-50146
22 Jun 202617:31
cve
Cvelist
CVE-2026-50146 Astro: Reflected XSS via unescaped slot name
22 Jun 202617:31
cvelist
Github Security Blog
Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
github
NVD
CVE-2026-50146
22 Jun 202619:17
nvd
OSV
GHSA-8HV8-536X-4WQP Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
osv
Patchstack
NPM: Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
patchstack
Positive Technologies
PT-2026-49731
16 Jun 202600:00
ptsecurity
Snyk
Cross-site Scripting (XSS)
16 Jun 202614:05
snyk
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "480ea574-5803-39fc-ac58-5ac84ebf0411",
        "vendor": {
          "name": "withastro"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "94eee603-03d2-3554-910a-456a174b8ee8",
        "product": {
          "name": "astro",
          "vendor": {
            "name": "withastro"
          }
        },
        "product_version": "< 6.3.3"
      }
    ]
  }
]

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22 Jun 2026 17:31Current
6Medium risk
Vulners AI Score6
CVSS 3.16.1 - 7.1
EPSS0.00029
3