Threats Tagged 'cve-2026-59727'
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Threats Tagged 'cve-2026-59727'
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CVE-2026-59727: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in withastro astroCVE-2026-59727 0 Astro is a web framework for content-driven websites. In versions 3.10.0 through 7.0.3, when a transition:persist, transition:scope, or transition:persist-props directive is applied to a client-hydrated (client:*) component, Astro copied the directive value onto the rendered <astro-island> element without HTML-escaping it. If a developer reflects attacker-controlled input into one of these directives, an attacker can break out of the attribute and inject arbitrary HTML/JavaScript into the server-rendered output, resulting in reflected cross-site scripting (XSS). Exploitation requires the application developer to have written a non-idiomatic pattern — passing untrusted, request-derived input directly into a transition directive. Astro applications that do not route untrusted input into these directives are unaffected. This issue has been fixed in version 7.0.4. Join the discussion | CVE Database V5 | 07/27/2026, 19:42:32 UTC Added: 07/27/2026, 20:58:24 UTC |
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