diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 9f05336e1b5..6847174e042 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -14240,6 +14240,12 @@
      {}
     ]
    ],
+   "mozilla/link_rel_crash.html": [
+    [
+     "/_mozilla/mozilla/link_rel_crash.html",
+     {}
+    ]
+   ],
    "mozilla/load_event.html": [
     [
      "/_mozilla/mozilla/load_event.html",
@@ -27315,6 +27321,10 @@
    "7715f917a07be2a0889be075f5e579fb338d2a31",
    "testharness"
   ],
+  "mozilla/link_rel_crash.html": [
+   "a2ca46f6440e851fc646e98455f23efab36c25c7",
+   "testharness"
+  ],
   "mozilla/load_event.html": [
    "851eed264ee9ba5902ac9d545bebfbad8a0f4dcc",
    "testharness"
diff --git a/tests/wpt/mozilla/tests/mozilla/link_rel_crash.html b/tests/wpt/mozilla/tests/mozilla/link_rel_crash.html
new file mode 100644
index 00000000000..9fa5a1dc04f
--- /dev/null
+++ b/tests/wpt/mozilla/tests/mozilla/link_rel_crash.html
@@ -0,0 +1,15 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Test for #18357: Panic after setting the rel attribute of a link element with setAttributeNode.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(function() {
+  var link = document.createElement("link");
+  var rel = document.createAttribute("rel");
+  rel.value = "stylesheet";
+  link.setAttributeNode(rel);
+  link.setAttribute("href", "foo");
+  document.head.appendChild(link);
+}, "Doesn't crash when doing setAttributeNode on the rel attribute");
+</script>
