Astro Web Framework Vulnerability Could Lead to Cross-Site Scripting Attacks

CVE-2024-47885

What is CVE-2024-47885?

The Astro web framework contains a vulnerability related to a DOM Clobbering gadget present within the client-side router. Versions ranging from 3.0.0 to 4.16.0 are impacted, where the framework allows cross-site scripting (XSS) through the use of stored attacker-controlled html elements. This situation arises when the framework processes unsanitized 'name' attributes in 'iframe' tags, exposing websites built with Astro to potential XSS attacks. Crafting malicious inputs that exploit the vulnerabilities in Astro's client-side routing, particularly with the introduction of ViewTransitions, can lead to significant security risks for users. An update to version 4.16.1 has been released to address this issue.

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