Cross-Site Scripting (XSS) Affecting vite package, versions >=4.4.0-beta.2 <4.4.12 >=4.5.0 <4.5.1 >=5.0.0-beta.0 <5.0.5
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Test your applications- Snyk ID SNYK-JS-VITE-6098386
- published 5 Dec 2023
- disclosed 5 Dec 2023
- credit Max Kukartsev
Introduced: 5 Dec 2023
CVE-2023-49293 Open this link in a new tabHow to fix?
Upgrade vite to version 4.4.12, 4.5.1, 5.0.5 or higher.
Overview
vite is a Native-ESM powered web dev build tool
Affected versions of this package are vulnerable to Cross-Site Scripting (XSS) when the HTML transformation function is invoked manually through server.transformIndexHtml. The original request URL is passed in unmodified. If the html being transformed contains inline module scripts, it is possible to inject arbitrary HTML into the transformed output by supplying a malicious URL query string to server.transformIndexHtml.
This is exploitable by convincing a user running a dev server with appType: 'custom' set and the default HTML middleware, to follow a malicious link. Additionally, restricted files aren't exposed to the attacker.
PoC
http://localhost:5173/?%22%3E%3C/script%3E%3Cscript%3Ealert(%27boom%27)%3C/script%3E