Ticket #59200: 59200.1.patch

wp-activate.php

@@ -128 +128 @@
         <?php if ( ! $key ) { ?>
 
                 <h2><?php _e( 'Activation Key Required' ); ?></h2>
-                <form name="activateform" id="activateform" method="post" action="<?php echo network_site_url( $blog_details->path . 'wp-activate.php' ); ?>">
+                <form name="activateform" id="activateform" method="post" action="<?php echo esc_url( network_site_url( $blog_details->path . 'wp-activate.php' ) ); ?>">
                         <p>
                                 <label for="key"><?php _e( 'Activation Key:' ); ?></label>
                                 <br /><input type="text" name="key" id="key" value="" size="50" autofocus="autofocus" />

wp-includes/theme-compat/footer.php

@@ -23 +23 @@
                 <?php
                 printf(
                         /* translators: 1: Site name, 2: WordPress */
-                        __( '%1$s is proudly powered by %2$s' ),
+                        __( '%1$s is proudly powered by <a href="%2$s">%3$s</a>' ),
                         get_bloginfo( 'name' ),
-                        '<a href="https://wordpress.org/">WordPress</a>'
+                        esc_url( __( 'https://wordpress.org/' ) ),
+                        esc_html__( 'WordPress' )
                 );
                 ?>
         </p>