diff --git a/script/import_scripts/vanilla_mysql.rb b/script/import_scripts/vanilla_mysql.rb
new file mode 100644
index 00000000000..841bf1478a7
--- /dev/null
+++ b/script/import_scripts/vanilla_mysql.rb
@@ -0,0 +1,228 @@
+require "mysql2"
+require File.expand_path(File.dirname(__FILE__) + "/base.rb")
+require 'htmlentities'
+
+class ImportScripts::VanillaSQL < ImportScripts::Base
+
+  VANILLA_DB = "vanilla_mysql"
+  TABLE_PREFIX = "GDN_"
+  BATCH_SIZE = 1000
+
+  def initialize
+    super
+    @htmlentities = HTMLEntities.new
+    @client = Mysql2::Client.new(
+      host: "localhost",
+      username: "root",
+      password: "pa$$word",
+      database: VANILLA_DB
+    )
+  end
+
+  def execute
+    import_users
+    import_categories
+    import_topics
+    import_posts
+  end
+
+  def import_users
+    puts '', "creating users"
+
+    total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}User;").first['count']
+
+    batches(BATCH_SIZE) do |offset|
+      results = mysql_query(
+        "SELECT UserID, Name, Title, Location, About, Email,
+                DateInserted, DateLastActive, InsertIPAddress, Admin
+         FROM #{TABLE_PREFIX}User
+         ORDER BY UserID ASC
+         LIMIT #{BATCH_SIZE}
+         OFFSET #{offset};")
+
+      break if results.size < 1
+
+      create_users(results, total: total_count, offset: offset) do |user|
+        next if user['Email'].blank?
+        next if user['Name'].blank?
+        { id: user['UserID'],
+          email: user['Email'],
+          username: user['Name'],
+          name: user['Name'],
+          created_at: user['DateInserted'] == nil ? 0 : Time.zone.at(user['DateInserted']),
+          bio_raw: user['About'],
+          registration_ip_address: user['InsertIPAddress'],
+          last_seen_at: user['DateLastActive'] == nil ? 0 : Time.zone.at(user['DateLastActive']),
+          location: user['Location'],
+          admin: user['Admin'] == 1 }
+      end
+    end
+  end
+
+  def import_categories
+    puts "", "importing categories..."
+
+    categories = mysql_query("
+                              SELECT CategoryID, Name, Description
+                              FROM #{TABLE_PREFIX}Category
+                              ORDER BY CategoryID ASC
+                            ").to_a
+
+    create_categories(categories) do |category|
+      {
+        id: category['CategoryID'],
+        name: CGI.unescapeHTML(category['Name']),
+        description: CGI.unescapeHTML(category['Description'])
+      }
+    end
+  end
+
+  def import_topics
+    puts "", "importing topics..."
+
+    total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}Discussion;").first['count']
+
+    batches(BATCH_SIZE) do |offset|
+      discussions = mysql_query(
+        "SELECT DiscussionID, CategoryID, Name, Body,
+                DateInserted, InsertUserID
+         FROM #{TABLE_PREFIX}Discussion
+         ORDER BY DiscussionID ASC
+         LIMIT #{BATCH_SIZE}
+         OFFSET #{offset};")
+
+      break if discussions.size < 1
+
+      create_posts(discussions, total: total_count, offset: offset) do |discussion|
+        {
+          id: "discussion#" + discussion['DiscussionID'].to_s,
+          user_id: user_id_from_imported_user_id(discussion['InsertUserID']) || Discourse::SYSTEM_USER_ID,
+          title: discussion['Name'],
+          category: category_id_from_imported_category_id(discussion['CategoryID']),
+          raw: clean_up(discussion['Body']),
+          created_at: Time.zone.at(discussion['DateInserted'])
+        }
+      end
+    end
+  end
+
+  def import_posts
+    puts "", "importing posts..."
+
+    total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}Comment;").first['count']
+
+    batches(BATCH_SIZE) do |offset|
+      comments = mysql_query(
+        "SELECT CommentID, DiscussionID, Body,
+                DateInserted, InsertUserID
+         FROM #{TABLE_PREFIX}Comment
+         ORDER BY CommentID ASC
+         LIMIT #{BATCH_SIZE}
+         OFFSET #{offset};")
+
+      break if comments.size < 1
+
+      create_posts(comments, total: total_count, offset: offset) do |comment|
+        next unless t = topic_lookup_from_imported_post_id("discussion#" + comment['DiscussionID'].to_s)
+        next if comment['Body'].blank?
+        {
+          id: "comment#" + comment['CommentID'].to_s,
+          user_id: user_id_from_imported_user_id(comment['InsertUserID']) || Discourse::SYSTEM_USER_ID,
+          topic_id: t[:topic_id],
+          raw: clean_up(comment['Body']),
+          created_at: Time.zone.at(comment['DateInserted'])
+        }
+      end
+    end
+  end
+
+  def clean_up(raw)
+    return "" if raw.blank?
+
+    # decode HTML entities
+    raw = @htmlentities.decode(raw)
+
+    # fix whitespaces
+    raw = raw.gsub(/(\\r)?\\n/, "\n")
+             .gsub("\\t", "\t")
+
+    # [HTML]...[/HTML]
+    raw = raw.gsub(/\[html\]/i, "\n```html\n")
+             .gsub(/\[\/html\]/i, "\n```\n")
+
+    # [PHP]...[/PHP]
+    raw = raw.gsub(/\[php\]/i, "\n```php\n")
+             .gsub(/\[\/php\]/i, "\n```\n")
+
+    # [HIGHLIGHT="..."]
+    raw = raw.gsub(/\[highlight="?(\w+)"?\]/i) { "\n```#{$1.downcase}\n" }
+
+    # [CODE]...[/CODE]
+    # [HIGHLIGHT]...[/HIGHLIGHT]
+    raw = raw.gsub(/\[\/?code\]/i, "\n```\n")
+             .gsub(/\[\/?highlight\]/i, "\n```\n")
+
+    # [SAMP]...[/SAMP]
+    raw.gsub!(/\[\/?samp\]/i, "`")
+
+    # replace all chevrons with HTML entities
+    # NOTE: must be done
+    #  - AFTER all the "code" processing
+    #  - BEFORE the "quote" processing
+    raw = raw.gsub(/`([^`]+)`/im) { "`" + $1.gsub("<", "\u2603") + "`" }
+             .gsub("<", "&lt;")
+             .gsub("\u2603", "<")
+
+    raw = raw.gsub(/`([^`]+)`/im) { "`" + $1.gsub(">", "\u2603") + "`" }
+             .gsub(">", "&gt;")
+             .gsub("\u2603", ">")
+
+    # [URL=...]...[/URL]
+    raw.gsub!(/\[url="?(.+?)"?\](.+)\[\/url\]/i) { "[#{$2}](#{$1})" }
+
+    # [IMG]...[/IMG]
+    raw.gsub!(/\[\/?img\]/i, "")
+
+    # [URL]...[/URL]
+    # [MP3]...[/MP3]
+    raw = raw.gsub(/\[\/?url\]/i, "")
+             .gsub(/\[\/?mp3\]/i, "")
+
+    # [QUOTE]...[/QUOTE]
+    raw.gsub!(/\[quote\](.+?)\[\/quote\]/im) { "\n> #{$1}\n" }
+
+    # [YOUTUBE]<id>[/YOUTUBE]
+    raw.gsub!(/\[youtube\](.+?)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
+
+    # [youtube=425,350]id[/youtube]
+    raw.gsub!(/\[youtube="?(.+?)"?\](.+)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$2}\n" }
+
+    # [MEDIA=youtube]id[/MEDIA]
+    raw.gsub!(/\[MEDIA=youtube\](.+?)\[\/MEDIA\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
+
+    # [VIDEO=youtube;<id>]...[/VIDEO]
+    raw.gsub!(/\[video=youtube;([^\]]+)\].*?\[\/video\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
+
+    # Convert image bbcode
+    raw.gsub!(/\[img=(\d+),(\d+)\]([^\]]*)\[\/img\]/i, '<img width="\1" height="\2" src="\3">')
+
+    # Remove the color tag
+    raw.gsub!(/\[color=[#a-z0-9]+\]/i, "")
+    raw.gsub!(/\[\/color\]/i, "")
+
+    # remove attachments
+    raw.gsub!(/\[attach[^\]]*\]\d+\[\/attach\]/i, "")
+
+    # sanitize img tags
+    raw.gsub!(/\<img.*src\="([^\"]+)\".*\>/i) {"\n<img src='#{$1}'>\n"}
+
+    raw
+  end
+
+  def mysql_query(sql)
+    @client.query(sql, cache_rows: false)
+  end
+
+end
+
+ImportScripts::VanillaSQL.new.perform