diff --git a/extension.json b/extension.json
index 4a46dd0ba..1d42c83ec 100644
--- a/extension.json
+++ b/extension.json
@@ -125,6 +125,7 @@
 				"discussiontools-ledesection-title",
 				"discussiontools-newtopic-placeholder-title",
 				"discussiontools-newtopic-missing-title",
+				"discussiontools-newtopic-missing-title-prompt",
 				"discussiontools-newtopicssubscription-button-subscribe-label",
 				"discussiontools-newtopicssubscription-button-subscribe-tooltip",
 				"discussiontools-newtopicssubscription-button-unsubscribe-label",
diff --git a/i18n/en.json b/i18n/en.json
index ed55a6d66..8c382b5d3 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -57,7 +57,8 @@
 	"discussiontools-limitreport-errorreqid": "DiscussionTools error request ID",
 	"discussiontools-limitreport-timeusage": "DiscussionTools time usage",
 	"discussiontools-limitreport-timeusage-value": "$1 {{PLURAL:$1|second|seconds}}",
-	"discussiontools-newtopic-missing-title": "Please provide a title for {{GENDER:|your}} discussion topic. If you click \"{{int:discussiontools-replywidget-newtopic}}\", your topic will be added without a title.",
+	"discussiontools-newtopic-missing-title": "Please provide a title for {{GENDER:|your}} discussion topic.",
+	"discussiontools-newtopic-missing-title-prompt": "{{GENDER:|You}} have not provided a title for {{GENDER:|your}} discussion topic. Are {{GENDER:|you}} sure you want to add this topic without a title?",
 	"discussiontools-newtopic-placeholder-title": "Subject",
 	"discussiontools-newtopicssubscription-button-subscribe-label": "Subscribe",
 	"discussiontools-newtopicssubscription-button-subscribe-tooltip": "Subscribe to receive notifications when new topics are started on this page.",
diff --git a/i18n/qqq.json b/i18n/qqq.json
index 2a68222af..27539b54f 100644
--- a/i18n/qqq.json
+++ b/i18n/qqq.json
@@ -71,7 +71,8 @@
 	"discussiontools-limitreport-errorreqid": "Label for the ID of the web request in which a DiscussionTools error has occurred.",
 	"discussiontools-limitreport-timeusage": "Label for the time usage (duration) of DiscussionTools in the parser limit report. Followed by {{msg-mw|discussiontools-limitreport-timeusage-value}}.\n\nSimilar to:\n* {{msg-mw|limitreport-cputime}}\n* {{msg-mw|limitreport-walltime}}\n* {{msg-mw|scribunto-limitreport-timeusage}}",
 	"discussiontools-limitreport-timeusage-value": "Follows {{msg-mw|discussiontools-limitreport-timeusage}}.\n\nParameters:\n* $1 - the usage in seconds\n{{Identical|Second}}",
-	"discussiontools-newtopic-missing-title": "Warning message shown when leaving the title field empty while adding a new topic to the page.\n\nCopy <nowiki>{{int:discussiontools-replywidget-newtopic}}</nowiki> into your translation. It will be shown as {{msg-mw|discussiontools-replywidget-newtopic}}",
+	"discussiontools-newtopic-missing-title": "Warning message shown when leaving the title field empty while adding a new topic to the page.",
+	"discussiontools-newtopic-missing-title-prompt": "Confirmation prompt shown when trying to submit a new topic with the title field empty.",
 	"discussiontools-newtopic-placeholder-title": "Placeholder describing the heading field of a new topic\n{{identical|Subject}}",
 	"discussiontools-newtopicssubscription-button-subscribe-label": "Label for the button to subscribe to notifications about new topics on this page.",
 	"discussiontools-newtopicssubscription-button-subscribe-tooltip": "Tooltip for the button to subscribe to notifications about new topics on this page.",
diff --git a/modules/CommentController.js b/modules/CommentController.js
index ef64ca6f1..ee635d57f 100644
--- a/modules/CommentController.js
+++ b/modules/CommentController.js
@@ -408,9 +408,10 @@ CommentController.prototype.onReplyWidgetTeardown = function ( mode ) {
  *
  * @param {string} pageName Title of the page to post on
  * @param {Object} checkboxes Value of the promise returned by controller#getCheckboxesPromise
+ * @param {Object} extraParams Extra params to pass to the API
  * @return {Object.<string,string>} API query data
  */
-CommentController.prototype.getApiQuery = function ( pageName, checkboxes ) {
+CommentController.prototype.getApiQuery = function ( pageName, checkboxes, extraParams ) {
 	const threadItem = this.getThreadItem();
 	const replyWidget = this.replyWidget;
 	const sameNameComments = this.threadItemSet.findCommentsByName( threadItem.name );
@@ -426,7 +427,7 @@ CommentController.prototype.getApiQuery = function ( pageName, checkboxes ) {
 		tags.push( 'discussiontools-source-enhanced' );
 	}
 
-	const data = {
+	const data = Object.assign( {
 		action: 'discussiontoolsedit',
 		paction: 'addcomment',
 		page: pageName,
@@ -441,7 +442,7 @@ CommentController.prototype.getApiQuery = function ( pageName, checkboxes ) {
 		// Pass through dtenable query string param from original request
 		dtenable: new URLSearchParams( location.search ).get( 'dtenable' ) ? '1' : undefined,
 		dttags: tags.join( ',' )
-	};
+	}, extraParams );
 
 	if ( replyWidget.getMode() === 'source' ) {
 		data.wikitext = replyWidget.getValue();
@@ -466,8 +467,10 @@ CommentController.prototype.getApiQuery = function ( pageName, checkboxes ) {
 
 /**
  * Handle the reply widget being submitted
+ *
+ * @param {Object} extraParams Extra params to pass to the API
  */
-CommentController.prototype.onReplySubmit = function () {
+CommentController.prototype.onReplySubmit = function ( extraParams ) {
 	if ( !this.replyWidget ) {
 		return;
 	}
@@ -481,7 +484,7 @@ CommentController.prototype.onReplySubmit = function () {
 	mw.track( 'editAttemptStep', { action: 'saveAttempt' } );
 
 	// TODO: When editing a transcluded page, VE API returning the page HTML is a waste, since we won't use it
-	this.save( this.replyWidget.pageName )
+	this.save( this.replyWidget.pageName, extraParams )
 		.then( null, this.saveFail.bind( this ) )
 		.always( () => {
 			this.replyWidget.setPending( false );
@@ -543,14 +546,15 @@ CommentController.prototype.saveFail = function ( code, data ) {
  * Save the comment in the comment controller
  *
  * @param {string} pageName Page title
+ * @param {Object} extraParams Extra params to pass to the API
  * @return {jQuery.Promise} Promise which resolves when the save is complete
  */
-CommentController.prototype.save = function ( pageName ) {
+CommentController.prototype.save = function ( pageName, extraParams ) {
 	const replyWidget = this.replyWidget,
 		threadItem = this.getThreadItem();
 
 	return this.replyWidget.checkboxesPromise.then( ( checkboxes ) => {
-		const data = this.getApiQuery( pageName, checkboxes );
+		const data = this.getApiQuery( pageName, checkboxes, extraParams );
 
 		if (
 			// We're saving the first comment on a page that previously didn't exist.
diff --git a/modules/NewTopicController.js b/modules/NewTopicController.js
index d465e5ec6..9380ea899 100644
--- a/modules/NewTopicController.js
+++ b/modules/NewTopicController.js
@@ -243,8 +243,8 @@ NewTopicController.prototype.getUnsupportedNodeSelectors = function () {
 /**
  * @inheritdoc
  */
-NewTopicController.prototype.getApiQuery = function ( pageName, checkboxes ) {
-	let data = NewTopicController.super.prototype.getApiQuery.call( this, pageName, checkboxes );
+NewTopicController.prototype.getApiQuery = function ( pageName, checkboxes, extraParams ) {
+	let data = NewTopicController.super.prototype.getApiQuery.call( this, pageName, checkboxes, extraParams );
 
 	// Rebuild the tags array and remove the reply tag
 	const tags = ( data.dttags || '' ).split( ',' );
@@ -258,9 +258,6 @@ NewTopicController.prototype.getApiQuery = function ( pageName, checkboxes ) {
 	data = Object.assign( {}, data, {
 		paction: 'addtopic',
 		sectiontitle: this.sectionTitle.getValue(),
-		// TODO: Make the user somehow confirm that they really want to post a topic with no subject
-		// before sending this parameter (T334163)
-		allownosectiontitle: true,
 		dttags: tags.join( ',' )
 	} );
 
@@ -274,6 +271,24 @@ NewTopicController.prototype.getApiQuery = function ( pageName, checkboxes ) {
 	return data;
 };
 
+/**
+ * @inheritdoc
+ */
+NewTopicController.prototype.saveFail = function ( code ) {
+	if ( code === 'discussiontools-newtopic-missing-title' ) {
+		OO.ui.confirm( mw.msg( 'discussiontools-newtopic-missing-title-prompt' ) ).then( ( confirmed ) => {
+			if ( confirmed ) {
+				this.onReplySubmit( { allownosectiontitle: true } );
+			} else {
+				this.sectionTitle.focus();
+			}
+		} );
+		return;
+	}
+
+	NewTopicController.super.prototype.saveFail.apply( this, arguments );
+};
+
 /**
  * Generate a default edit summary based on the section title.
  *