diff --git a/editor/assets/stylesheets/_z-index.scss b/editor/assets/stylesheets/_z-index.scss
index 951d8c582082dc..99053b7bb7a915 100644
--- a/editor/assets/stylesheets/_z-index.scss
+++ b/editor/assets/stylesheets/_z-index.scss
@@ -10,6 +10,7 @@ $z-layers: (
 	'.editor-header': 20,
 	'.editor-post-visibility__dialog': 30,
 	'.editor-post-schedule__dialog': 30,
+	'.utils-accept__backdrop': 100000
 );
 
 @function z-index( $key ) {
diff --git a/editor/sidebar/post-visibility/index.js b/editor/sidebar/post-visibility/index.js
index a119bd2a255d75..cbc3bc77195fd2 100644
--- a/editor/sidebar/post-visibility/index.js
+++ b/editor/sidebar/post-visibility/index.js
@@ -10,6 +10,7 @@ import { find } from 'lodash';
  */
 import { __ } from 'i18n';
 import { Component } from 'element';
+import { accept } from 'utils';
 
 /**
  * Internal Dependencies
@@ -48,11 +49,14 @@ class PostVisibility extends Component {
 			this.setState( { hasPassword: false } );
 		};
 		const setPrivate = () => {
-			if ( window.confirm( __( 'Would you like to privately publish this post now?' ) ) ) { // eslint-disable-line no-alert
-				onUpdateVisibility( 'private' );
-				onSave();
-				this.setState( { opened: false } );
-			}
+			const message = __( 'Would you like to privately publish this post now?' );
+			accept( message, ( accepted ) => {
+				if ( accepted ) {
+					onUpdateVisibility( 'private' );
+					onSave();
+					this.setState( { opened: false } );
+				}
+			}, __( 'Yes' ), __( 'No' ) );
 		};
 		const setPasswordProtected = () => {
 			onUpdateVisibility( visibility === 'private' ? 'draft' : status, password || '' );
diff --git a/lib/client-assets.php b/lib/client-assets.php
index b8e2bc8cd36b87..b2b08be96fa736 100644
--- a/lib/client-assets.php
+++ b/lib/client-assets.php
@@ -78,7 +78,7 @@ function gutenberg_register_scripts() {
 	wp_register_script(
 		'wp-utils',
 		gutenberg_url( 'utils/build/index.js' ),
-		array(),
+		array( 'wp-components', 'wp-i18n' ),
 		filemtime( gutenberg_dir_path() . 'utils/build/index.js' )
 	);
 	wp_register_script(
@@ -145,6 +145,12 @@ function gutenberg_register_scripts() {
 		array(),
 		filemtime( gutenberg_dir_path() . 'components/build/style.css' )
 	);
+	wp_register_style(
+		'wp-utils',
+		gutenberg_url( 'utils/build/style.css' ),
+		array(),
+		filemtime( gutenberg_dir_path() . 'utils/build/style.css' )
+	);
 	wp_register_style(
 		'wp-blocks',
 		gutenberg_url( 'blocks/build/style.css' ),
@@ -343,7 +349,7 @@ function gutenberg_scripts_and_styles( $hook ) {
 	wp_enqueue_style(
 		'wp-editor',
 		gutenberg_url( 'editor/build/style.css' ),
-		array( 'wp-components', 'wp-blocks' ),
+		array( 'wp-components', 'wp-blocks', 'wp-utils' ),
 		filemtime( gutenberg_dir_path() . 'editor/build/style.css' )
 	);
 }
diff --git a/utils/accept/dialog.js b/utils/accept/dialog.js
new file mode 100644
index 00000000000000..80dae58f5a7036
--- /dev/null
+++ b/utils/accept/dialog.js
@@ -0,0 +1,43 @@
+/**
+ * External dependencies
+ */
+import clickOutside from 'react-click-outside';
+
+/**
+ * WordPress Dependencies
+ */
+import { Component } from 'element';
+import { Button } from 'components';
+import { __ } from 'i18n';
+
+class AcceptDialog extends Component {
+	handleClickOutside() {
+		this.props.onClose( 'cancel' );
+	}
+
+	render() {
+		const { message, onClose, confirmButtonText, cancelButtonText } = this.props;
+		const accept = () => onClose( 'accept' );
+		const cancel = () => onClose( 'cancel' );
+
+		return (
+			<div>
+				<div className="utils-accept__dialog">
+					<div className="utils-accept__dialog-content">
+						{ message }
+					</div>
+					<div className="utils-accept__dialog-buttons">
+						<Button onClick={ cancel } className="button">
+							{ cancelButtonText || __( 'Cancel' ) }
+						</Button>
+						<Button isPrimary onClick={ accept }>
+							{ confirmButtonText || __( 'OK' ) }
+						</Button>
+					</div>
+				</div>
+			</div>
+		);
+	}
+}
+
+export default clickOutside( AcceptDialog );
diff --git a/utils/accept/index.js b/utils/accept/index.js
new file mode 100644
index 00000000000000..b25a6126643136
--- /dev/null
+++ b/utils/accept/index.js
@@ -0,0 +1,38 @@
+/**
+ * External dependencies
+ */
+import { render, unmountComponentAtNode } from 'react-dom';
+
+/**
+ * Internal dependencies
+ */
+import './style.scss';
+import AcceptDialog from './dialog';
+
+export default function accept( message, callback, confirmButtonText, cancelButtonText ) {
+	let wrapper = document.createElement( 'div' );
+	wrapper.className = 'utils-accept__backdrop';
+	document.body.appendChild( wrapper );
+
+	function onClose( result ) {
+		if ( wrapper ) {
+			unmountComponentAtNode( wrapper );
+			document.body.removeChild( wrapper );
+			wrapper = null;
+		}
+
+		if ( callback ) {
+			callback( result === 'accept' );
+		}
+	}
+
+	render(
+		<AcceptDialog
+			message={ message }
+			onClose={ onClose }
+			confirmButtonText={ confirmButtonText }
+			cancelButtonText={ cancelButtonText }
+		/>,
+		wrapper
+	);
+}
diff --git a/utils/accept/style.scss b/utils/accept/style.scss
new file mode 100644
index 00000000000000..2959aa1446fac9
--- /dev/null
+++ b/utils/accept/style.scss
@@ -0,0 +1,36 @@
+.utils-accept__dialog {
+	top: 10px;
+	bottom: 10px;
+	max-width: 400px;
+	width: 100%;
+	margin: auto;
+	box-shadow: $shadow-popover;
+	border: 1px solid $light-gray-500;
+	background: $white;
+}
+
+.utils-accept__dialog-content {
+	padding: 20px;
+}
+
+.utils-accept__dialog-buttons {
+	text-align: right;
+	padding: 10px 20px 20px 20px;
+
+	.components-button {
+		margin-left: 10px;
+	}
+}
+
+.utils-accept__backdrop {
+	align-items: center;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	top: 0;
+	display: flex;
+	justify-content: center;
+	position: fixed;
+	z-index: z-index( '.utils-accept__backdrop' );
+	background-color: rgba( $dark-gray-900, 0.4 );
+}
diff --git a/utils/accept/test/index.js b/utils/accept/test/index.js
new file mode 100644
index 00000000000000..2093b5c243665d
--- /dev/null
+++ b/utils/accept/test/index.js
@@ -0,0 +1,55 @@
+/**
+ * External dependencies
+ */
+import { expect } from 'chai';
+
+/**
+ * Internal dependencies
+ */
+import accept from '../';
+
+describe( '#accept()', () => {
+	beforeEach( () => {
+		document.body.innerHTML = '';
+	} );
+
+	it( 'should render a dialog to the document body', () => {
+		const message = 'Are you sure?';
+
+		accept( message, () => {} );
+
+		const dialog = document.querySelector( '.utils-accept__dialog-content' );
+		expect( dialog ).to.be.an.instanceof( window.Element );
+		expect( dialog.textContent ).to.equal( message );
+	} );
+
+	it( 'should trigger the callback with an accepted prompt', ( done ) => {
+		accept( 'Are you sure?', ( accepted ) => {
+			expect( accepted ).to.be.be.true();
+			done();
+		} );
+
+		document.querySelector( '.components-button.button-primary' ).click();
+	} );
+
+	it( 'should trigger the callback with a denied prompt', ( done ) => {
+		accept( 'Are you sure?', ( accepted ) => {
+			expect( accepted ).to.be.be.false();
+			done();
+		} );
+
+		document.querySelector( '.components-button:not( .button-primary )' ).click();
+	} );
+
+	it( 'should clean up after itself once the prompt is closed', ( done ) => {
+		accept( 'Are you sure?', () => {
+			process.nextTick( () => {
+				expect( document.querySelector( '.utils-accept__dialog' ) ).to.be.null();
+
+				done();
+			} );
+		} );
+
+		document.querySelector( '.components-button.button-primary' ).click();
+	} );
+} );
diff --git a/utils/index.js b/utils/index.js
index 6400ec8e4489f0..4d8201a93fa14e 100644
--- a/utils/index.js
+++ b/utils/index.js
@@ -1,3 +1,4 @@
 import * as keycodes from './keycodes';
 
+export { default as accept } from './accept';
 export { keycodes };