Withastro Astro vulnerabilities

CVE-2026-50146 [MEDIUM] CWE-80 CVE-2026-50146: Astro is a web framework. Prior to 6.3.3, when a component uses a client:* directive, Astro inserts 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

CVE-2026-41322 [MEDIUM] CWE-525 CVE-2026-41322: @astrojs/node allows Astro to deploy your SSR site to Node targets. Prior to 10.0.5, requesting a st @astrojs/node allows Astro to deploy your SSR site to Node targets. Prior to 10.0.5, requesting a static js/css resources from _astro path with an incorrect/malformed if-match header returns a 500 error with a one year cache lifetime instead of 412 in some cases. This has the effect that all subsequent requests to that file, regardless of if-match h

CVE-2024-47885 [MEDIUM] CWE-79 CVE-2024-47885: The Astro web framework has a DOM Clobbering gadget in the client-side router starting in version 3. The Astro web framework has a DOM Clobbering gadget in the client-side router starting in version 3.0.0 and prior to version 4.16.1. It can lead to cross-site scripting (XSS) in websites enables Astro's client-side routing and has *stored* attacker-controlled scriptless HTML elements (i.e., `iframe` tags with unsanitized `name` attributes) on the des

CVE-2025-64757 [LOW] CWE-22 CVE-2025-64757: Astro is a web framework. Prior to version 5.14.3, a vulnerability has been identified in the Astro Astro is a web framework. Prior to version 5.14.3, a vulnerability has been identified in the Astro framework's development server that allows arbitrary local file read access through the image optimization endpoint. The vulnerability affects Astro development environments and allows remote attackers to read any image file accessible to the Node.js proce