The Wp-Insert plugin through 2.4.2 for WordPress allows upload of arbitrary PHP code because of the exposure and configuration of FCKeditor under fckeditor/editor/filemanager/browser/default/browser.html, fckeditor/editor/filemanager/connectors/test.html, and fckeditor/editor/filemanager/connectors/uploadtest.html.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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