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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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      <title>CVE-2023-29008 — SvelteKit framework has Insufficient CSRF protection for CORS requests</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2023-29008</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; sveltejs kit&lt;/p&gt;
&lt;p&gt;The SvelteKit framework offers developers an option to create simple REST APIs. This is done by defining a `+server.js` file, containing endpoint handlers for different HTTP methods.&lt;/p&gt;
&lt;p&gt;SvelteKit provides out-of-the-box cross-site request forgery (CSRF) protection to its users. The protection is implemented at `kit/src/runtime/server/respond.js`. While the implementation does a sufficient job of mitigating common CSRF attacks, the protection can be bypassed in versions prior to 1.15.2 by simply specifying an upper-cased `Content-Type` header value. The browser will not send uppercase characters, but this check does not block all expected CORS requests.&lt;/p&gt;
&lt;p&gt;If abused, this issue will allow malicious requests to be submitted from third-party domains, which can allow execution of operations within the context of the victim&amp;#39;s session, and in extreme scenarios can lead to unauthorized access to users’ accounts. This may lead to all POST operations requiring authentication being allowed in the following cases: If the target site sets `SameSite=None` on its auth cookie and the user visits a malicious site in a Chromium-based browser; if the target site doesn&amp;#39;t set the `SameSite` attribute explicitly and the user visits a malicious site with Firefox/Safari with tracking protections turned off; and/or if the user is visiting a malicious site with a very outdated browser.&lt;/p&gt;
&lt;p&gt;SvelteKit 1.15.2 contains a patch for this issue. It is also recommended to explicitly set `SameSite` to a value other…&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; sveltejs kit&lt;/p&gt;
&lt;p&gt;The SvelteKit framework offers developers an option to create simple REST APIs. This is done by defining a `+server.js` file, containing endpoint handlers for different HTTP methods.&lt;/p&gt;
&lt;p&gt;SvelteKit provides out-of-the-box cross-site request forgery (CSRF) protection to its users. The protection is implemented at `kit/src/runtime/server/respond.js`. While the implementation does a sufficient job of mitigating common CSRF attacks, the protection can be bypassed in versions prior to 1.15.2 by simply specifying an upper-cased `Content-Type` header value. The browser will not send uppercase characters, but this check does not block all expected CORS requests.&lt;/p&gt;
&lt;p&gt;If abused, this issue will allow malicious requests to be submitted from third-party domains, which can allow execution of operations within the context of the victim&amp;#39;s session, and in extreme scenarios can lead to unauthorized access to users’ accounts. This may lead to all POST operations requiring authentication being allowed in the following cases: If the target site sets `SameSite=None` on its auth cookie and the user visits a malicious site in a Chromium-based browser; if the target site doesn&amp;#39;t set the `SameSite` attribute explicitly and the user visits a malicious site with Firefox/Safari with tracking protections turned off; and/or if the user is visiting a malicious site with a very outdated browser.&lt;/p&gt;
&lt;p&gt;SvelteKit 1.15.2 contains a patch for this issue. It is also recommended to explicitly set `SameSite` to a value other…&lt;/p&gt;</content:encoded>
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