diff --git a/third_party/blink/renderer/core/layout/svg/layout_svg_viewport_container.cc b/third_party/blink/renderer/core/layout/svg/layout_svg_viewport_container.cc
index 4ae24a3ade889..e7f6397a1e749 100644
--- a/third_party/blink/renderer/core/layout/svg/layout_svg_viewport_container.cc
+++ b/third_party/blink/renderer/core/layout/svg/layout_svg_viewport_container.cc
@@ -23,6 +23,7 @@
 #include "third_party/blink/renderer/core/layout/svg/layout_svg_viewport_container.h"
 
 #include "third_party/blink/renderer/core/layout/hit_test_location.h"
+#include "third_party/blink/renderer/core/layout/hit_test_result.h"
 #include "third_party/blink/renderer/core/layout/svg/svg_layout_info.h"
 #include "third_party/blink/renderer/core/layout/svg/svg_layout_support.h"
 #include "third_party/blink/renderer/core/layout/svg/transform_helper.h"
@@ -95,7 +96,12 @@ bool LayoutSVGViewportContainer::NodeAtPoint(
     HitTestPhase phase) {
   NOT_DESTROYED();
   // Respect the viewport clip which is in parent coordinates.
-  if (SVGLayoutSupport::IsOverflowHidden(*this)) {
+  // Do not pre-cull on the viewport for kHitTestVisualOverflow requests: a
+  // CSS filter on this element (e.g. drop-shadow) can paint outside the
+  // viewport, and the occlusion hit-test must reach
+  // LayoutSVGContainer::NodeAtPoint's visual-overflow self-hit fallback.
+  if (SVGLayoutSupport::IsOverflowHidden(*this) &&
+      !result.GetHitTestRequest().IsHitTestVisualOverflow()) {
     TransformedHitTestLocation local_transformed_hit_location(
         hit_test_location, LocalSVGTransform());