diff --git a/lib/internal/url.js b/lib/internal/url.js
index 0fe819fe129..35abca64e93 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -1065,7 +1065,8 @@ class URL {
   }
 
   set protocol(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kProtocol, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kProtocol, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1079,7 +1080,8 @@ class URL {
   }
 
   set username(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kUsername, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kUsername, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1093,7 +1095,8 @@ class URL {
   }
 
   set password(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kPassword, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kPassword, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1113,7 +1116,8 @@ class URL {
   }
 
   set host(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kHost, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kHost, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1129,7 +1133,8 @@ class URL {
   }
 
   set hostname(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kHostname, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kHostname, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1143,7 +1148,8 @@ class URL {
   }
 
   set port(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kPort, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kPort, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1160,7 +1166,8 @@ class URL {
   }
 
   set pathname(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kPathname, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kPathname, value);
     if (href) {
       this.#updateContext(href);
     }
@@ -1173,7 +1180,8 @@ class URL {
   }
 
   set search(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kSearch, StringPrototypeToWellFormed(`${value}`));
+    value = StringPrototypeToWellFormed(`${value}`);
+    const href = bindingUrl.update(this.#context.href, updateActions.kSearch, value);
     if (href) {
       this.#updateContext(href, true);
     }
@@ -1198,7 +1206,8 @@ class URL {
   }
 
   set hash(value) {
-    const href = bindingUrl.update(this.#context.href, updateActions.kHash, `${value}`);
+    value = `${value}`;
+    const href = bindingUrl.update(this.#context.href, updateActions.kHash, value);
     if (href) {
       this.#updateContext(href);
     }
diff --git a/test/parallel/test-whatwg-url-setters-coercion-order.js b/test/parallel/test-whatwg-url-setters-coercion-order.js
new file mode 100644
index 00000000000..364f2354185
--- /dev/null
+++ b/test/parallel/test-whatwg-url-setters-coercion-order.js
@@ -0,0 +1,34 @@
+'use strict';
+
+// Tests below are not from WPT.
+//
+// Web IDL converts an assigned value to the attribute's type before the
+// setter's steps run. A `toString()` that mutates the URL during conversion
+// must be observed by the setter: the new component value applies to the
+// mutated URL, not to stale state captured before the conversion.
+// Refs: https://github.com/nodejs/node/issues/67345
+require('../common');
+const assert = require('assert');
+
+const cases = [
+  ['protocol', 'http', 'http://after.example/base'],
+  ['username', 'user', 'https://user@after.example/base'],
+  ['password', 'pass', 'https://:pass@after.example/base'],
+  ['host', 'other.example:8080', 'https://other.example:8080/base'],
+  ['hostname', 'other.example', 'https://other.example/base'],
+  ['port', '8080', 'https://after.example:8080/base'],
+  ['pathname', '/new', 'https://after.example/new'],
+  ['search', '?q=1', 'https://after.example/base?q=1'],
+  ['hash', '#frag', 'https://after.example/base#frag'],
+];
+
+for (const [setter, value, expected] of cases) {
+  const url = new URL('https://before.example/old');
+  url[setter] = {
+    toString() {
+      url.href = 'https://after.example/base';
+      return value;
+    },
+  };
+  assert.strictEqual(url.href, expected, `${setter} setter`);
+}