From df3098421deb901f9d2a388cf6d12617df7e3aa6 Mon Sep 17 00:00:00 2001
From: joshuaruesweg <ruesweg@woltlab.com>
Date: Tue, 16 Mar 2021 14:16:45 +0100
Subject: [PATCH] Reject to unfurl urls with an explicit port

---
 .../files/lib/system/html/node/HtmlNodeUnfurlLink.class.php     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/html/node/HtmlNodeUnfurlLink.class.php b/wcfsetup/install/files/lib/system/html/node/HtmlNodeUnfurlLink.class.php
index 1cec6f1617..bc2041cddc 100644
--- a/wcfsetup/install/files/lib/system/html/node/HtmlNodeUnfurlLink.class.php
+++ b/wcfsetup/install/files/lib/system/html/node/HtmlNodeUnfurlLink.class.php
@@ -24,7 +24,7 @@ class HtmlNodeUnfurlLink extends HtmlNodePlainLink
      */
     public static function setUnfurl(HtmlNodePlainLink $link): void
     {
-        if ($link->isStandalone() && Url::is($link->href)) {
+        if ($link->isStandalone() && Url::is($link->href) && !Url::parse($link->href)['port']) {
             self::removeStyling($link);
 
             $object = new UnfurlUrlAction([], 'findOrCreate', [
-- 
2.20.1