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      <title>CVE-2025-66514 — Nextcloud Mail stored HTML injection in subject text</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-66514</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nextcloud security-advisories&lt;/p&gt;
&lt;p&gt;Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Prior to 5.5.3, a stored HTML injection in the Mail app&amp;#39;s message list allowed an authenticated user to inject HTML into the email subjects. Javascript was correctly blocked by the content security policy of the Nextcloud Server code.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nextcloud security-advisories&lt;/p&gt;
&lt;p&gt;Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Prior to 5.5.3, a stored HTML injection in the Mail app&amp;#39;s message list allowed an authenticated user to inject HTML into the email subjects. Javascript was correctly blocked by the content security policy of the Nextcloud Server code.&lt;/p&gt;</content:encoded>
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