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    <lastBuildDate>Mon, 05 Oct 2026 21:23:27 +0000</lastBuildDate>
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      <title>CVE-2021-32809 — Arbitrary HTML injection vulnerability in ckeditor</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2021-32809</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ckeditor4&lt;/p&gt;
&lt;p&gt;ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version &amp;gt;= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ckeditor4&lt;/p&gt;
&lt;p&gt;ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version &amp;gt;= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.&lt;/p&gt;</content:encoded>
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