diff --git a/packages/utils/src/Domain/Utils/Utils.ts b/packages/utils/src/Domain/Utils/Utils.ts
index e5f921dbe..7325b9c92 100644
--- a/packages/utils/src/Domain/Utils/Utils.ts
+++ b/packages/utils/src/Domain/Utils/Utils.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import { sanitize } from 'dompurify'
-import { find, isArray, mergeWith, remove, uniq, uniqWith } from 'lodash'
+import { escape, find, isArray, mergeWith, remove, uniq, uniqWith } from 'lodash'
 import { AnyRecord } from '@standardnotes/common'
 
 const collator = typeof Intl !== 'undefined' ? new Intl.Collator('en', { numeric: true }) : undefined
@@ -612,6 +612,10 @@ export function sanitizeHtmlString(html: string): string {
   return sanitize(html)
 }
 
+export function escapeHtmlString(html: string): string {
+  return escape(html)
+}
+
 let sharedDateFormatter: unknown
 export function dateToLocalizedString(date: Date): string {
   if (typeof Intl !== 'undefined' && Intl.DateTimeFormat && typeof navigator !== 'undefined') {
diff --git a/packages/web/src/javascripts/Constants/Strings.ts b/packages/web/src/javascripts/Constants/Strings.ts
index 3ec6d5c99..770b36868 100644
--- a/packages/web/src/javascripts/Constants/Strings.ts
+++ b/packages/web/src/javascripts/Constants/Strings.ts
@@ -1,4 +1,4 @@
-import { Platform, SNApplication } from '@standardnotes/snjs'
+import { escapeHtmlString, Platform, SNApplication } from '@standardnotes/snjs'
 import { getPlatform, isDesktopApplication } from '../Utils'
 
 /** @generic */
@@ -39,9 +39,10 @@ export const STRING_EDIT_LOCKED_ATTEMPT =
 export const STRING_RESTORE_LOCKED_ATTEMPT =
   "This note has editing disabled. If you'd like to restore it to a previous revision, enable editing and try again."
 export function StringDeleteNote(title: string, permanently: boolean) {
+  const escapedTitle = escapeHtmlString(title)
   return permanently
-    ? `Are you sure you want to permanently delete ${title}?`
-    : `Are you sure you want to move ${title} to the trash?`
+    ? `Are you sure you want to permanently delete ${escapedTitle}?`
+    : `Are you sure you want to move ${escapedTitle} to the trash?`
 }
 export function StringEmptyTrash(count: number) {
   return `Are you sure you want to permanently delete ${count} note(s)?`
@@ -135,9 +136,10 @@ export const StringUtils = {
   },
   deleteNotes(permanently: boolean, notesCount = 1, title?: string): string {
     if (notesCount === 1) {
+      const escapedTitle = escapeHtmlString(title || '')
       return permanently
-        ? `Are you sure you want to permanently delete ${title}?`
-        : `Are you sure you want to move ${title} to the trash?`
+        ? `Are you sure you want to permanently delete ${escapedTitle}?`
+        : `Are you sure you want to move ${escapedTitle} to the trash?`
     } else {
       return permanently
         ? 'Are you sure you want to permanently delete these notes?'
@@ -145,7 +147,8 @@ export const StringUtils = {
     }
   },
   deleteFile(title: string): string {
-    return `Are you sure you want to permanently delete ${title}?`
+    const escapedTitle = escapeHtmlString(title)
+    return `Are you sure you want to permanently delete ${escapedTitle}?`
   },
   archiveLockedNotesAttempt(archive: boolean, notesCount = 1): string {
     const archiveString = archive ? 'archive' : 'unarchive'
@@ -158,4 +161,12 @@ export const StringUtils = {
       ? "This note has editing disabled. If you'd like to delete it, enable editing, and try again."
       : "One or more of these notes have editing disabled. If you'd like to delete them, make sure editing is enabled on all of them, and try again."
   },
+  deleteTag(title: string): string {
+    const escapedTitle = escapeHtmlString(title)
+    return `Delete tag "${escapedTitle}"?`
+  },
+  cannotUploadFile(name: string): string {
+    const escapedName = escapeHtmlString(name)
+    return `Cannot upload file "${escapedName}"`
+  },
 }
diff --git a/packages/web/src/javascripts/Controllers/FilesController.ts b/packages/web/src/javascripts/Controllers/FilesController.ts
index 591ddf1f3..0101111a1 100644
--- a/packages/web/src/javascripts/Controllers/FilesController.ts
+++ b/packages/web/src/javascripts/Controllers/FilesController.ts
@@ -168,7 +168,7 @@ export class FilesController extends AbstractViewController<FilesControllerEvent
 
   deleteFile = async (file: FileItem) => {
     const shouldDelete = await confirmDialog({
-      text: `Are you sure you want to permanently delete "${file.name}"?`,
+      text: StringUtils.deleteFile(file.name),
       confirmButtonStyle: 'danger',
     })
     if (shouldDelete) {
@@ -440,7 +440,7 @@ export class FilesController extends AbstractViewController<FilesControllerEvent
           `This file exceeds the limits supported in this browser. To upload files greater than ${
             this.maxFileSize / BYTES_IN_ONE_MEGABYTE
           }MB, please use the desktop application or the Chrome browser.`,
-          `Cannot upload file "${file.name}"`,
+          StringUtils.cannotUploadFile(file.name),
         )
         .catch(console.error)
       return true
diff --git a/packages/web/src/javascripts/Controllers/Navigation/NavigationController.ts b/packages/web/src/javascripts/Controllers/Navigation/NavigationController.ts
index 1138c87ea..8fc42f72c 100644
--- a/packages/web/src/javascripts/Controllers/Navigation/NavigationController.ts
+++ b/packages/web/src/javascripts/Controllers/Navigation/NavigationController.ts
@@ -6,7 +6,7 @@ import {
   VaultDisplayService,
   VaultDisplayServiceEvent,
 } from '@standardnotes/ui-services'
-import { STRING_DELETE_TAG } from '@/Constants/Strings'
+import { STRING_DELETE_TAG, StringUtils } from '@/Constants/Strings'
 import { SMART_TAGS_FEATURE_NAME } from '@/Constants/Constants'
 import {
   ContentType,
@@ -604,7 +604,7 @@ export class NavigationController
     let shouldDelete = !userTriggered
     if (userTriggered) {
       shouldDelete = await confirmDialog({
-        title: `Delete tag "${tag.title}"?`,
+        title: StringUtils.deleteTag(tag.title),
         text: STRING_DELETE_TAG,
         confirmButtonStyle: 'danger',
       })