diff --git a/accessible/android/TraversalRule.cpp b/accessible/android/TraversalRule.cpp
index 35ea26777c5a..1d366a7648e6 100644
--- a/accessible/android/TraversalRule.cpp
+++ b/accessible/android/TraversalRule.cpp
@@ -274,6 +274,7 @@ uint16_t TraversalRule::DefaultMatch(Accessible* aAccessible) {
     case roles::OPTION:
     case roles::SWITCH:
     case roles::MATHML_MATH:
+    case roles::SUMMARY:
       // Ignore the subtree, if there is one. So that we don't land on
       // the same content that was already presented by its parent.
       return nsIAccessibleTraversalRule::FILTER_MATCH |
diff --git a/accessible/base/RoleMap.inc b/accessible/base/RoleMap.inc
index b13ea5a8f0fd..294b4f5d4515 100644
--- a/accessible/base/RoleMap.inc
+++ b/accessible/base/RoleMap.inc
@@ -1526,7 +1526,7 @@ ROLE(SUMMARY,
      @"AXSummary",
      ROLE_SYSTEM_PUSHBUTTON,
      ROLE_SYSTEM_PUSHBUTTON,
-     java::SessionAccessibility::CLASSNAME_BUTTON,
+     java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
      UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
diff --git a/dom/locales/en-US/chrome/accessibility/AccessFu.properties b/dom/locales/en-US/chrome/accessibility/AccessFu.properties
index a8cba3f34944..83426d0f1623 100644
--- a/dom/locales/en-US/chrome/accessibility/AccessFu.properties
+++ b/dom/locales/en-US/chrome/accessibility/AccessFu.properties
@@ -64,6 +64,7 @@ figure         =       figure
 definitionlist =       definition list
 term           =       term
 definition     =       definition
+summary        =       summary
 
 mathmltable              = math table
 mathmlcell               = cell
diff --git a/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/AccessibilityTest.kt b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/AccessibilityTest.kt
index 5dd81bd72c12..c53ba81a4bd6 100644
--- a/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/AccessibilityTest.kt
+++ b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/AccessibilityTest.kt
@@ -828,6 +828,55 @@ class AccessibilityTest : BaseSessionTest() {
         )
     }
 
+    @Test
+    fun testSummary() {
+        var nodeId = AccessibilityNodeProvider.HOST_VIEW_ID
+        mainSession.loadUri("data:text/html;charset=utf-8,<details><summary>Question</summary><p>Answer</p></details>")
+        waitForInitialFocus(true)
+
+        sessionRule.waitUntilCalled(
+            object : EventDelegate {
+                @AssertCalled(count = 1)
+                override fun onAccessibilityFocused(event: AccessibilityEvent) {
+                    nodeId = getSourceId(event)
+                    val node = createNodeInfo(nodeId)
+                    assertThat("Accessibility focus on summary", node.text.toString(), equalTo("Question"))
+                    assertThat(
+                        "Summary has role description",
+                        node.extras.getCharSequence("AccessibilityNodeInfo.roleDescription")!!.toString(),
+                        equalTo("summary"),
+                    )
+                    assertThat(
+                        "summary is expandable",
+                        node.actionList,
+                        hasItem(AccessibilityNodeInfo.AccessibilityAction.ACTION_EXPAND),
+                    )
+                }
+            }
+        )
+
+        provider.performAction(nodeId, AccessibilityNodeInfo.ACTION_EXPAND, null)
+        sessionRule.waitUntilCalled(
+            object : EventDelegate {
+                @AssertCalled(count = 1)
+                override fun onClicked(event: AccessibilityEvent) {
+                    assertThat("Clicked event is from same node", getSourceId(event), equalTo(nodeId))
+                    val node = createNodeInfo(nodeId)
+                    assertThat(
+                        "summary is collapsable",
+                        node.actionList,
+                        hasItem(AccessibilityNodeInfo.AccessibilityAction.ACTION_COLLAPSE),
+                    )
+                    assertThat(
+                        "node is not expandable",
+                        node.actionList,
+                        not(hasItem(AccessibilityNodeInfo.AccessibilityAction.ACTION_EXPAND)),
+                    )
+                }
+            }
+        )
+    }
+
     @Test
     fun testMoveByCharacter() {
         var nodeId = AccessibilityNodeProvider.HOST_VIEW_ID