From cf2fda66e2f359e50e2ac255f731509c35ff48fe Mon Sep 17 00:00:00 2001
From: FreddleSpl0it <patschul@posteo.de>
Date: Thu, 4 Apr 2024 09:31:20 +0200
Subject: [PATCH] [Web] escape html of alert messages

---
 data/web/inc/footer.inc.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/web/inc/footer.inc.php b/data/web/inc/footer.inc.php
index 8c50c9c15..ac1bff033 100644
--- a/data/web/inc/footer.inc.php
+++ b/data/web/inc/footer.inc.php
@@ -12,7 +12,8 @@ $alertbox_log_parser = alertbox_log_parser($_SESSION);
 $alerts = [];
 if (is_array($alertbox_log_parser)) {
   foreach ($alertbox_log_parser as $log) {
-    $message = strtr($log['msg'], ["\n" => '', "\r" => '', "\t" => '<br>']);
+    $message = htmlspecialchars($log['msg'], ENT_QUOTES);
+    $message = strtr($message, ["\n" => '', "\r" => '', "\t" => '<br>']);
     $alerts[trim($log['type'], '"')][] = trim($message, '"');
   }
   $alert = array_filter(array_unique($alerts));