diff --git a/core/modules/system/src/Tests/Update/UpdateScriptTest.php b/core/modules/system/src/Tests/Update/UpdateScriptTest.php
index b80ef82..f18f2e0 100644
--- a/core/modules/system/src/Tests/Update/UpdateScriptTest.php
+++ b/core/modules/system/src/Tests/Update/UpdateScriptTest.php
@@ -284,6 +284,28 @@ function testSuccessfulMultilingualUpdateFunctionality() {
   }
 
   /**
+   * Tests links on update.php
+   */
+  protected function testUpdateLinks() {
+    $this->drupalLogin($this->updateUser);
+    $this->drupalGet($this->updateUrl, array('external' => TRUE));
+    $this->assertResponse(200);
+
+    // Check for the link to the maintenance mode setting page.
+
+    /** @var \SimpleXMLElement[] $links */
+    $links = $this->xpath('//a[normalize-space(text())=:label]', array(':label' => 'maintenance mode'));
+    $this->assertNotNull($links);
+    $href = (string) $links[0]['href'];
+
+    // Adapted from @see http://stackoverflow.com/a/4444490
+    $re = ['#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'];
+    for ($n = 1; $n > 0; $href = preg_replace($re, '/', $href, -1, $n)) { }
+    $href = $this->getAbsoluteUrl($href);
+    $this->assertEqual($this->getAbsoluteUrl('admin/config/development/maintenance'), $href);
+  }
+
+  /**
    * Helper function to run updates via the browser.
    */
   protected function updateScriptTest($maintenance_mode) {