Ticket #22425: 22425.patch

wp-includes/SimplePie/Locator.php

@@ -277 +277 @@
                                 $parsed = $this->registry->call('Misc', 'parse_url', array($href));
                                 if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
                                 {
-                                        if ($this->base_location < $link->getLineNo())
+                                        if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo())
                                         {
                                                 $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base));
                                         }