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CVE-2026-42599 Cross-site scripting via spread attributes in Svelte SSR

🗓️ 09 Jun 2026 16:22:46Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Svelte before 5.55.7 exposes event handlers in spread attributes from untrusted data, enabling cross site scripting during hydration.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Svelte 跨站脚本漏洞
9 Jun 202600:00
cnnvd
cve
CVE
CVE-2026-42599
9 Jun 202616:22
cve
euvd
EUVD
EUVD-2026-35703
9 Jun 202616:22
euvd
github
Github Security Blog
Svelte SSR vulnerable to cross-site scripting via spread attributes
14 May 202620:19
github
nvd
NVD
CVE-2026-42599
9 Jun 202617:17
nvd
osv
OSV
CGA-7RWH-M426-7GFF
15 May 202613:27
osv
osv
OSV
CGA-8MGM-9FHJ-R5MJ
15 May 202611:56
osv
osv
OSV
CGA-8RW8-8W6X-RQ5V
15 May 202611:26
osv
osv
OSV
CGA-9P7M-WHGG-RVWF
15 May 202612:16
osv
osv
OSV
CGA-RQRH-H4JQ-48CW
15 May 202612:31
osv
Rows per page
[
  {
    "vendor": "sveltejs",
    "product": "svelte",
    "versions": [
      {
        "version": "< 5.55.7",
        "status": "affected"
      }
    ]
  }
]

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