CVE Watch23 de out. de 2026

CVE-2026-114128

Astro is a web framework for content-driven websites. Prior to 7.3.2, Astro's JSX and MDX rendering pipeline treats string children of scrip

CVSS

6.5

Média

EPSS

0.3%

p25

KEV

—

Exploit Today

0-100

Publicado: 21 de out. de 2026 · Última mod.: 23 de out. de 2026 · CWE-79

EPSS · 30d

0.3%EPSS · 30 dias0.3%

2026-10-222026-11-07

Descrição técnica

Astro is a web framework for content-driven websites. Prior to 7.3.2, Astro's JSX and MDX rendering pipeline treats string children of script and style elements as trusted HTML without distinguishing compiler-generated literal content from dynamic expression values. An application that passes attacker-controlled data directly as a dynamic child can allow a value containing a closing script or style tag to terminate the element and inject arbitrary HTML and JavaScript. Other JSX expression contexts escape dynamic strings automatically; the issue is limited to script and style children rendered through the astro:jsx renderer, including MDX components. Successful exploitation can produce reflected or stored cross-site scripting under the application's origin. This issue is fixed in 7.3.2.

Referências oficiais

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