diff --git a/image-cdn.php b/image-cdn.php
index 6e7f382..cd5a0e9 100644
--- a/image-cdn.php
+++ b/image-cdn.php
@@ -16,14 +16,14 @@
  * Requires PHP:      7.4
  * Text Domain:       image-cdn
  * License:           GPLv2 or later
- * Version:           1.2.2
+ * Version:           1.2.3
  */
 
 // Update this then you update "Requires at least" above!
 define( 'IMAGE_CDN_MIN_WP', '5.3' );
 
 // Update this when you update the "Version" above!
-define( 'IMAGE_CDN_VERSION', '1.2.2' );
+define( 'IMAGE_CDN_VERSION', '1.2.3' );
 
 if ( file_exists( __DIR__ . '/vendor/autoload.php' ) ) {
 	require_once( __DIR__ . '/vendor/autoload.php' );
diff --git a/imageengine/class-settings.php b/imageengine/class-settings.php
index 5dd1e92..4cb7a48 100644
--- a/imageengine/class-settings.php
+++ b/imageengine/class-settings.php
@@ -425,16 +425,19 @@ public static function register() {
 		if ( ! wp_verify_nonce( $nonce, 'image_cdn_register_nonce' ) || ! current_user_can( 'administrator' ) ) {
 			self::add_error( __( 'Unauthorized', 'image-cdn' ), 'register' );
 			wp_redirect( add_query_arg( 'register-error', 'Unauthorized', admin_url( '/admin.php?page=image_cdn' ) ) );
+			exit;
 		}
 
 		if ( ! isset( $_POST['register_username'] ) || ! is_email( $_POST['register_username'] ) ) {
 			self::add_error( __( 'Invalid username', 'image-cdn' ), 'register' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 
 		if ( ! isset( $_POST['register_password'] ) ) {
 			self::add_error( __( 'Invalid password', 'image-cdn' ), 'register' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 
 		try {
@@ -444,10 +447,12 @@ public static function register() {
 			if ( is_string( $message ) ) {
 				self::add_success( $message );
 				wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+				exit;
 			}
 		} catch ( \Exception $e ) {
 			self::add_error( __( 'An error occurred!', 'image-cdn' ), 'register' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 	}
 
@@ -459,16 +464,19 @@ public static function login() {
 		if ( ! wp_verify_nonce( $nonce, 'image_cdn_login_nonce' ) || ! current_user_can( 'administrator' ) ) {
 			self::add_error( __( 'Unauthorized', 'image-cdn' ), 'login' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 
 		if ( ! isset( $_POST['login_username'] ) || ! is_email( $_POST['login_username'] ) ) {
 			self::add_error( __( 'Invalid username', 'image-cdn' ), 'login' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 
 		if ( ! isset( $_POST['login_password'] ) ) {
 			self::add_error( __( 'Invalid password', 'image-cdn' ), 'login' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 
 		try {
@@ -478,10 +486,12 @@ public static function login() {
 			if ( is_string( $message ) ) {
 				self::add_success( $message );
 				wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+				exit;
 			}
 		} catch ( \Exception $e ) {
 			self::add_error( __( 'An error occurred!', 'image-cdn' ), 'login' );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 	}
 
@@ -493,6 +503,7 @@ public static function logout() {
 		if ( ! wp_verify_nonce( $nonce, 'image_cdn_logout_nonce' ) || ! current_user_can( 'administrator' ) ) {
 			self::add_error( __( 'Unauthorized', 'image-cdn' ) );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 
 		try {
@@ -500,9 +511,11 @@ public static function logout() {
 
 			self::add_success( __("Logged out!", 'image-cdn') );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		} catch ( \Exception $e ) {
 			self::add_error( __( 'An error occurred!', 'image-cdn' ) );
 			wp_redirect( admin_url( '/admin.php?page=image_cdn' ) );
+			exit;
 		}
 	}
 
diff --git a/readme.txt b/readme.txt
index cf46221..07d34d8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,7 +2,7 @@
 Contributors: imageengine
 Tags: image cdn, ImageEngine, avif, webp, jpegxl
 Requires at least: 5.3
-Tested up to: 6.5.5
+Tested up to: 6.6.1
 Requires PHP: 7.4
 Stable tag: trunk
 License: GPLv2 or later
@@ -91,6 +91,10 @@ The following are the steps to install the Image CDN plugin
 
 == Changelog ==
 
+= 1.2.3 =
+* Fixed: Email validation issues
+* Tested up to 6.6.1
+
 = 1.2.2 =
 * Fixed: Image Engine create subscription, added newer endpoint
 * Tested up to 6.5.5