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CVE-2026-54298

MEDIUM · CVSS 4.2 EPSS %0.16 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-22T19:17:21.120 · Çekilme zamanı: 2026-06-30T18:29:34.193388+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

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CVE
CVE-2026-54298
Severity
MEDIUM
CVSS
4.2
EPSS
%0.16

Orijinal NVD Açıklaması

Astro is a web framework. Prior to 6.4.6, the spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax {...props} on an HTML element and the object keys come from an untrusted source (API, CMS, URL parameters), an attacker can inject arbitrary HTML attributes including event handlers like onmousemove, onclick, or break out of the attribute context entirely to inject new elements. This vulnerability is fixed in 6.4.6.