diff --git a/packages/runtime-dom/src/index.ts b/packages/runtime-dom/src/index.ts
index b241458dba7..64ba93e0e3e 100644
--- a/packages/runtime-dom/src/index.ts
+++ b/packages/runtime-dom/src/index.ts
@@ -348,3 +348,7 @@ export {
 vModelSelectInit,
 vModelSetSelected,
 } from './directives/vModel'
+/**
+ * @internal
+ */
+export { unsafeToTrustedHTML } from './nodeOps'
diff --git a/packages/runtime-vapor/src/dom/prop.ts b/packages/runtime-vapor/src/dom/prop.ts
index 3b663da7715..346bea53eb1 100644
--- a/packages/runtime-vapor/src/dom/prop.ts
+++ b/packages/runtime-vapor/src/dom/prop.ts
@@ -14,6 +14,7 @@ import {
 mergeProps,
 patchStyle,
 shouldSetAsProp,
+ unsafeToTrustedHTML,
 warn,
 } from '@vue/runtime-dom'
 import {
@@ -197,7 +198,7 @@ export function setElementText(
 }
 
 export function setHtml(el: TargetElement, value: any): void {
- value = value == null ? '' : value
+ value = value == null ? '' : unsafeToTrustedHTML(value)
 if (el.$html !== value) {
 el.innerHTML = el.$html = value
 }
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/vuejs/core/pull/13825.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/vuejs/core/pull/13825.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>