HIGH🇬🇧 English

CVE-2026-50146

CVSS 7.1v3.1pub. 2026-06-22upd. 2026-06-23

Astro is a web framework. Prior to 6.3.3, when a component uses a client:* directive, Astro inserts named slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker to break out of the attribute context and inject arbitrary HTML, resulting in reflected XSS during SSR. This vulnerability is fixed in 6.3.3.

oryginał EN
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
  • Astro

    APP
    Astro
    < 6.3.3
🔵
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Tagi
XSS
CWE
Referencje

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CVE-2026-50146 — HIGH 7.1 | CVEbaza.pl