diff --git a/hutool-http/src/main/java/org/dromara/hutool/http/html/HTMLFilter.java b/hutool-http/src/main/java/org/dromara/hutool/http/html/HTMLFilter.java
index 3061f55fc..3af740f26 100644
--- a/hutool-http/src/main/java/org/dromara/hutool/http/html/HTMLFilter.java
+++ b/hutool-http/src/main/java/org/dromara/hutool/http/html/HTMLFilter.java
@@ -149,6 +149,8 @@ public final class HTMLFilter {
 		vAllowed.put("strong", no_atts);
 		vAllowed.put("i", no_atts);
 		vAllowed.put("em", no_atts);
+		// issue#3433
+		vAllowed.put("p", no_atts);
 
 		vSelfClosingTags = new String[]{"img"};
 		vNeedClosingTags = new String[]{"a", "b", "strong", "i", "em"};
@@ -429,7 +431,7 @@ public final class HTMLFilter {
 					ending = "";
 				}
 
-				if (ending == null || ending.length() < 1) {
+				if (ending == null || ending.isEmpty()) {
 					if (vTagCounts.containsKey(name)) {
 						vTagCounts.put(name, vTagCounts.get(name) + 1);
 					} else {
diff --git a/hutool-http/src/test/java/org/dromara/hutool/http/html/HTMLFilterTest.java b/hutool-http/src/test/java/org/dromara/hutool/http/html/HTMLFilterTest.java
new file mode 100644
index 000000000..8eb026f3a
--- /dev/null
+++ b/hutool-http/src/test/java/org/dromara/hutool/http/html/HTMLFilterTest.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2023. looly(loolly@aliyun.com)
+ * Hutool is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *          https://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+package org.dromara.hutool.http.html;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class HTMLFilterTest {
+	@Test
+	void issue3433Test() {
+		final String p1 = "<p>a</p>";
+		final String p2 = "<p onclick=\"bbbb\">a</p>";
+
+		final HTMLFilter htmlFilter = new HTMLFilter();
+		String filter = htmlFilter.filter(p1);
+		Assertions.assertEquals("<p>a</p>", filter);
+
+		filter = htmlFilter.filter(p2);
+		Assertions.assertEquals("<p>a</p>", filter);
+	}
+}