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Comment Attachment

Allow your visitors to attach files with their comments!

This plugin allows your visitors to attach files with their comments, such as documents and images. It uses only built in wordpress hooks, and provides you with multiple settings in you admin (using native WP_Settings API). With these you can:

  • Select if the upload field is before or after the default comment fields.
  • Make attachment a required field.
  • Select a label of upload field (default is 'Upload Attachment')
  • Select a label of attachment in comment text (default is 'Attachment:')
  • Select which file types are allowed to be attached.
  • Select if attachment is visible in the the actual comment.
  • Select if attachment should be attached to post your visitor comments on, or not.
  • Select position of attachment in comment, either before the main comment, or after it.
  • Decide whether attachment can be downloaded.
  • Decide if the attachment image should be displayed in a comment and select image size (it automatically loads all image sizes set up in your wordpress installation and by your theme using 'add_image_size')
  • Restrict file size of uploaded attachment.
  • Try Wordpress 3.6^ experimental audio / video player.

All attachments are inserted in your main wordpress media gallery, and are attached (if set in settings) to current commented post. (if set in settings). Upon comment deletion the attachment in that comment is deleted as well (if set in settings).

If an error occurs, like required attachment, or visitor trying to upload not allowed file type, plugin uses native wp_die() to handle the error, which can play nicely, if you use some other plugin for handeling comment form errors in a different way, like this one.

To control the output, in your css, you can use these classes and id's. For form elements:

.comment-form-attachment {}
.comment-form-attachment label .attachmentRules {}
.comment-form-attachment input#attachment {}

and for inner comment elements:

.attachmentFile {}
.attachmentFile p {}
.attachmentLink {}
.attachmentLink img {}

It should be easy peasy for you to style it! :)

= Language translations thanks to:

  • DE = Johannes Bouchain
  • PT = Nomada (rodrigo)
  • BR = Treed Box
  • ES = Clara Roldan
  • DK = Johan Michaelsen

Thank you all for contributing.

Author latorante
Contributors latorante
Tags Attachment, comment, comments, files, image, images
  1. comment-attachment screenshot 1

    Settings page in wp admin. Settings > Discussion > Comment Attachment

  2. comment-attachment screenshot 2

    Attachment field in comment form.

  3. comment-attachment screenshot 3

    Attachments in comments with links and image thumbnails.

  4. comment-attachment screenshot 4

    Wordpress 3.6.x video player

  5. comment-attachment screenshot 5

    Wordpress 3.6.x audio player

  1. Go to your admin area and select Plugins -> Add new from the menu.
  2. Search for "Comment Attachment".
  3. Click install.
  4. Click activate.


  • Tested on latest WordPress 4.4
  • Added languages support (thanks to Johannes Bouchain)
  • Added German translation (thanks to Johannes Bouchain)
  • Added new plugin icon


  • Added ability to delete attachment from wordpress admin.
  • Attachment added to notification e-mail message


  • Added new allowed file types (APK)
  • Added rel="lightbox" to image links
  • Better requirements check


  • Experimental featured image feature removal, bug-fix.


  • Categorized file types in the admin
  • Added new allowed file types (RAR, ZIP, WMA, MP4, M4V, MOV, WMV, AVI, MPG, OGV, 3GP, 3G2, FLV, WEBM)
  • Added experimental audio / video player, using native [video] and [audio] shortcode
  • Added media gallery allowed mime types fix
  • Added maxium file size info into comment form.


  • Added new allowed file types (PPT, PPTX, PPS, PPSX, ODT, XLS, XLSX, MP3, M4A, OGG, WAV)
  • Added max. file size settings.
  • Added loads of non-official but used mime types.
  • Added file extension check.
  • Added option to change attachment title in comment text.


  • Fixed small typos.
  • Plugin released.
Version 1.5.7

Requires WordPress version: 3.0 or higher

Compatible up to: 4.6.3

Last Updated 21 Nov 2016

Date Added: 11 Sep 2013

Plugin Homepage


4.5 stars
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