sveltejs kit up to 2.8.2 index.js cross site scripting

Summaryinfo

A vulnerability was found in sveltejs kit up to 2.8.2 and classified as problematic. Impacted is an unknown function of the file packages/kit/src/exports/vite/dev/index.js. The manipulation results in cross site scripting. This vulnerability was named CVE-2024-53261. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in sveltejs kit up to 2.8.2. Affected is an unknown code of the file packages/kit/src/exports/vite/dev/index.js. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. "Unsanitized input from *the request URL* flows into `end`, where it is used to render an HTML page returned to the user. This may result in a Cross-Site Scripting attack (XSS)." The files `packages/kit/src/exports/vite/dev/index.js` and `packages/kit/src/exports/vite/utils.js` both contain user controllable data which under specific conditions may flow to dev mode pages. There is little to no expected impact. The Vite development is not exposed to the network by default and even if someone were able to trick a developer into executing an XSS against themselves, a development database should not have any sensitive data. None the less this issue has been addressed in version 2.8.3 and all users are advised to upgrade.

The advisory is available at github.com. This vulnerability is traded as CVE-2024-53261 since 11/19/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 2.8.3 eliminates this vulnerability.

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Productinfo

Vendor

• sveltejs

Name

• kit

Version

• 2.8.0
• 2.8.1
• 2.8.2

Website

• Product: https://github.com/sveltejs/kit/

CPE 2.3info

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CPE 2.2info

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