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      <title>CVE-2026-57958 — Mixpost 2.6.0 - Reflected XSS via OAuth Callback Error Parameter</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-57958</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; inovector mixpost&lt;/p&gt;
&lt;p&gt;Mixpost through 2.6.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in authenticated users&amp;#39; browsers by crafting malicious OAuth callback URLs with unsanitized error query parameters. Attackers can exploit the OAuth callback controller&amp;#39;s failure to sanitize error parameters before rendering them through Laravel flash messages via the Vue v-html directive to hijack authenticated user sessions or perform unauthorized actions.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; inovector mixpost&lt;/p&gt;
&lt;p&gt;Mixpost through 2.6.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in authenticated users&amp;#39; browsers by crafting malicious OAuth callback URLs with unsanitized error query parameters. Attackers can exploit the OAuth callback controller&amp;#39;s failure to sanitize error parameters before rendering them through Laravel flash messages via the Vue v-html directive to hijack authenticated user sessions or perform unauthorized actions.&lt;/p&gt;</content:encoded>
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