อ้างอิงจาก YUI Security Issue found in uploader.swf
adding a `multiple` attribute for the file input elements:
In the `assetmanager` template, find
and replace it by
In the `editor_upload_overlay` template, find
and replace it by
This will allow users with modern (HTML5 compliant) browsers to select multiple files for uploading by using the usual file picker dialog of their operating system (holding the ctrl/shift keys to select multiple files). No code changes or plugins are required for this to work, since vBulletin is ready to process multiple uploads at once. If an user selects more files than the limit you specified in the option named above, extra uploads will fail.
adding a `multiple` attribute for the file input elements:
In the `assetmanager` template, find
HTML:
<input id="firstuploadinput" type="file" class="bginput uploadinput" name="attachment[]" size="30" tabindex="1" />
HTML:
<input id="firstuploadinput" type="file" class="bginput uploadinput" name="attachment[]" size="30" tabindex="1" multiple />
HTML:
<input id="fileupload1" class="textbox" type="file" size="30" name="attachment[]" tabindex="1" />
HTML:
<input id="fileupload1" class="textbox" type="file" size="30" name="attachment[]" tabindex="1" multiple />