From e564a89083f3be2f802365d81d7adf62f4cf9acd Mon Sep 17 00:00:00 2001
From: Pk11 <pk11@outlook.jp>
Date: Tue, 14 Feb 2023 04:58:19 +0000
Subject: [PATCH] Ensure the captcha answer isn't empty at least

---
 index.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.php b/index.php
index 8676ee6..97d3fe0 100644
--- a/index.php
+++ b/index.php
@@ -96,7 +96,7 @@
 			$_COOKIE['email'] = $email;
 		}
 
-		if($captcha != $captcha_answer) {
+		if($captcha != $captcha_answer || empty($captcha_answer)) {
 			if(!empty($img['tmp_name']))
 				@unlink($img['tmp_name']);
 			return 'Invalid CAPTCHA answer, copy the text on the left into the box';