diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/BankTagsPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/BankTagsPlugin.java
index ea8f6b2792..70f92668b2 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/BankTagsPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/BankTagsPlugin.java
@@ -71,6 +71,7 @@ import net.runelite.client.plugins.PluginDependency;
 import net.runelite.client.plugins.PluginDescriptor;
 import net.runelite.client.plugins.banktags.tabs.BankSearch;
 import net.runelite.client.plugins.banktags.tabs.TabInterface;
+import static net.runelite.client.plugins.banktags.tabs.TabInterface.FILTERED_CHARS;
 import net.runelite.client.plugins.banktags.tabs.TabSprites;
 import net.runelite.client.plugins.cluescrolls.ClueScrollPlugin;
 import net.runelite.client.util.Text;
@@ -278,6 +279,7 @@ public class BankTagsPlugin extends Plugin implements MouseWheelListener, KeyLis
 			String initialValue = Text.toCSV(tags);
 
 			chatboxPanelManager.openTextInput(name + " tags:<br>(append " + VAR_TAG_SUFFIX + " for variation tag)")
+				.addCharValidator(FILTERED_CHARS)
 				.value(initialValue)
 				.onDone((newValue) ->
 					clientThread.invoke(() ->
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java
index 9e0d6af08a..e6a3683daa 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/banktags/tabs/TabInterface.java
@@ -45,6 +45,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.Objects;
+import java.util.function.IntPredicate;
 import java.util.stream.Collectors;
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -94,6 +95,8 @@ import net.runelite.client.util.Text;
 @Singleton
 public class TabInterface
 {
+	public static final IntPredicate FILTERED_CHARS = c -> "</>".indexOf(c) == -1;
+
 	private static final Color HILIGHT_COLOR = JagexColors.MENU_TARGET;
 	private static final String SCROLL_UP = "Scroll up";
 	private static final String SCROLL_DOWN = "Scroll down";
@@ -252,6 +255,7 @@ public class TabInterface
 		}
 
 		chatboxPanelManager.openTextInput((inventory ? "Inventory " : "Equipment ") + " tags:")
+			.addCharValidator(FILTERED_CHARS)
 			.onDone((newTags) ->
 				clientThread.invoke(() ->
 				{
@@ -273,6 +277,7 @@ public class TabInterface
 		{
 			case NewTab.NEW_TAB:
 				chatboxPanelManager.openTextInput("Tag name")
+					.addCharValidator(FILTERED_CHARS)
 					.onDone((tagName) -> clientThread.invoke(() ->
 					{
 						if (!Strings.isNullOrEmpty(tagName))
@@ -285,7 +290,6 @@ public class TabInterface
 					.build();
 				break;
 			case NewTab.IMPORT_TAB:
-
 				try
 				{
 					final String dataString = Toolkit
@@ -296,7 +300,24 @@ public class TabInterface
 						.trim();
 
 					final Iterator<String> dataIter = Text.fromCSV(dataString).iterator();
-					final String name = dataIter.next();
+					String name = dataIter.next();
+					StringBuffer sb = new StringBuffer();
+					for (char c : name.toCharArray())
+					{
+						if (FILTERED_CHARS.test(c))
+						{
+							sb.append(c);
+						}
+					}
+
+					if (sb.length() == 0)
+					{
+						notifier.notify("Failed to import tag tab from clipboard, invalid format.");
+						return;
+					}
+
+					name = sb.toString();
+
 					final String icon = dataIter.next();
 					tabManager.setIcon(name, icon);
 
@@ -764,6 +785,7 @@ public class TabInterface
 	private void renameTab(String oldTag)
 	{
 		chatboxPanelManager.openTextInput("Enter new tag name for tag \"" + oldTag + "\":")
+			.addCharValidator(FILTERED_CHARS)
 			.onDone((newTag) -> clientThread.invoke(() ->
 			{
 				if (!Strings.isNullOrEmpty(newTag) && !newTag.equalsIgnoreCase(oldTag))