diff --git a/wp-includes/media.php b/wp-includes/media.php
index 9cf301e95c..38ec2213b7 100644
--- a/wp-includes/media.php
+++ b/wp-includes/media.php
@@ -2117,6 +2117,13 @@ function wp_img_tag_add_width_and_height_attr( $image, $context, $attachment_id
 		$size_array = wp_image_src_get_dimensions( $image_src, $image_meta, $attachment_id );
 
 		if ( $size_array ) {
+			// If the width is enforced through style (e.g. in an inline image), calculate the dimension attributes.
+			$style_width = preg_match( '/style="width:\s*(\d+)px;"/', $image, $match_width ) ? (int) $match_width[1] : 0;
+			if ( $style_width ) {
+				$size_array[1] = (int) round( $size_array[1] * $style_width / $size_array[0] );
+				$size_array[0] = $style_width;
+			}
+
 			$hw = trim( image_hwstring( $size_array[0], $size_array[1] ) );
 			return str_replace( '<img', "<img {$hw}", $image );
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 17aca06579..6d90185489 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57290';
+$wp_version = '6.5-alpha-57294';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.