From 70546feb1e2fc945dc42fb6852f9fdaef8118ad9 Mon Sep 17 00:00:00 2001
From: Roman Kelesidis <roman25052006.kelesh@gmail.com>
Date: Wed, 24 Jan 2024 00:36:55 +0700
Subject: [PATCH] Update topic_watch.php

---
 library/includes/ucp/topic_watch.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/library/includes/ucp/topic_watch.php b/library/includes/ucp/topic_watch.php
index fec1ca94..997754df 100644
--- a/library/includes/ucp/topic_watch.php
+++ b/library/includes/ucp/topic_watch.php
@@ -18,12 +18,14 @@ $page_cfg['include_bbcode_js'] = true;
 $tracking_topics = get_tracks('topic');
 
 $user_id = $userdata['user_id'];
-if (isset($_GET['uid']))
-{
-	if ($userdata['user_id'] == $_GET['uid'] || IS_ADMIN)
-	{
+if (isset($_GET['uid']) && get_username($_GET['uid'])) {
+	if ($_GET['uid'] == $userdata['user_id'] || IS_ADMIN) {
 		$user_id = DB()->escape($_GET['uid']);
+	} else {
+		bb_die($lang['NOT_AUTHORISED']);
 	}
+} else {
+	bb_die($lang['USER_NOT_EXIST']);
 }
 $start = isset($_GET['start']) ? abs(intval($_GET['start'])) : 0;
 $per_page = $bb_cfg['topics_per_page'];