diff --git a/src/addons/messages/components/conversation-info/conversation-info.html b/src/addons/messages/components/conversation-info/conversation-info.html
index 1e8b058d3..f18c17a89 100644
--- a/src/addons/messages/components/conversation-info/conversation-info.html
+++ b/src/addons/messages/components/conversation-info/conversation-info.html
@@ -23,7 +23,8 @@
                         onError="this.src='assets/img/group-avatar.svg'">
                 </div>
                 <h2>
-                    <core-format-text [text]="conversation.name" contextLevel="system" [contextInstanceId]="0" />
+                    <!-- WS didn't filter the name, see MDL-81815. -->
+                    <core-format-text [text]="conversation.name" contextLevel="system" [contextInstanceId]="0" [wsNotFiltered]="true" />
                 </h2>
                 <p>
                     <core-format-text *ngIf="conversation.subname" [text]="conversation.subname" contextLevel="system"
diff --git a/src/addons/messages/pages/discussion/discussion.html b/src/addons/messages/pages/discussion/discussion.html
index b31c90905..91f99b7b2 100644
--- a/src/addons/messages/pages/discussion/discussion.html
+++ b/src/addons/messages/pages/discussion/discussion.html
@@ -9,7 +9,8 @@
                     onError="this.src='assets/img/group-avatar.svg'" core-external-content role="presentation" [siteId]="siteId">
                 <core-user-avatar *ngIf="loaded && otherMember" class="core-bar-button-image" [user]="otherMember" [linkProfile]="false"
                     [checkOnline]="otherMember.showonlinestatus" />
-                <core-format-text [text]="title" contextLevel="system" [contextInstanceId]="0" />
+                <!-- WS didn't filter the conversation name, see MDL-81815. -->
+                <core-format-text [text]="title" contextLevel="system" [contextInstanceId]="0" [wsNotFiltered]="true" />
                 <ion-icon *ngIf="conversation && conversation.isfavourite" name="fas-star"
                     [attr.aria-label]="'core.favourites' | translate" />
                 <ion-icon *ngIf="conversation && conversation.ismuted" name="fas-bell-slash"