diff --git a/core/src/test/java/org/apache/struts2/config/providers/XmlConfigurationProviderInterceptorsTest.java b/core/src/test/java/org/apache/struts2/config/providers/XmlConfigurationProviderInterceptorsTest.java
index d67fdfcc44..cc4f5ef2dc 100644
--- a/core/src/test/java/org/apache/struts2/config/providers/XmlConfigurationProviderInterceptorsTest.java
+++ b/core/src/test/java/org/apache/struts2/config/providers/XmlConfigurationProviderInterceptorsTest.java
@@ -29,6 +29,7 @@
 import org.apache.struts2.config.entities.InterceptorStackConfig;
 import org.apache.struts2.config.entities.PackageConfig;
 import org.apache.struts2.interceptor.LoggingInterceptor;
+import org.apache.struts2.interceptor.MethodFilterInterceptor;
 import org.apache.struts2.mock.MockInterceptor;
 import org.apache.struts2.config.StrutsXmlConfigurationProvider;
 import org.apache.struts2.interceptor.NoOpInterceptor;
@@ -36,6 +37,7 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 
 
 /**
@@ -231,4 +233,17 @@ public void testInterceptorParamOverriding() throws Exception {
 
     }
 
+    public void testMultiLineCommaDelimitedParam() {
+        buildConfigurationProvider("org/apache/struts2/config/providers/struts-interceptor-multiline-params.xml");
+
+        PackageConfig pkg = configuration.getPackageConfig("default");
+
+        assertEquals(Set.of("input", "back", "cancel"), excludeMethodsOf(pkg.getActionConfigs().get("Defined")));
+        assertEquals(Set.of("browse", "list"), excludeMethodsOf(pkg.getActionConfigs().get("Overridden")));
+    }
+
+    private static Set<String> excludeMethodsOf(ActionConfig actionConfig) {
+        return ((MethodFilterInterceptor) actionConfig.getInterceptors().get(0).getInterceptor()).getExcludeMethodsSet();
+    }
+
 }
diff --git a/core/src/test/resources/org/apache/struts2/config/providers/struts-interceptor-multiline-params.xml b/core/src/test/resources/org/apache/struts2/config/providers/struts-interceptor-multiline-params.xml
new file mode 100644
index 0000000000..aef7364c6e
--- /dev/null
+++ b/core/src/test/resources/org/apache/struts2/config/providers/struts-interceptor-multiline-params.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+-->
+<!DOCTYPE struts PUBLIC
+        "-//Apache Software Foundation//DTD Struts Configuration 6.0//EN"
+        "https://struts.apache.org/dtds/struts-6.0.dtd">
+<struts>
+    <include file="xwork-test-beans.xml" />
+    <package name="default">
+        <interceptors>
+            <interceptor name="workflow" class="org.apache.struts2.interceptor.DefaultWorkflowInterceptor">
+                <param name="excludeMethods">
+                    input,
+                    back,
+                    cancel
+                </param>
+            </interceptor>
+        </interceptors>
+
+        <action name="Defined" class="org.apache.struts2.SimpleAction">
+            <interceptor-ref name="workflow"/>
+        </action>
+
+        <action name="Overridden" class="org.apache.struts2.SimpleAction">
+            <interceptor-ref name="workflow">
+                <param name="excludeMethods">
+                    browse,
+                    list
+                </param>
+            </interceptor-ref>
+        </action>
+    </package>
+
+</struts>