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Themes: Add additional later escaping to post_class() and body_class() functions.

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Additionally, this adds a few tests to test output.

Fixes #20009.

Props mfields, scribu, azaozz, obenland, dd32, nacin, jrf, jdgrimes, garyj, whyisjake. 
 


git-svn-id: https://develop.svn.wordpress.org/trunk@48060 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jake Spurlock
2020-06-16 16:55:45 +00:00
parent 50ece6d31c
commit d17a57a945
3 changed files with 60 additions and 2 deletions
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4
src/wp-includes/post-template.php
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@@ -454,7 +454,7 @@ function has_excerpt( $post = 0 ) {
*/
function post_class( $class = '', $post_id = null ) {
// Separates classes with a single space, collates classes for post DIV.
echo 'class="' . join( ' ', get_post_class( $class, $post_id ) ) . '"';
echo 'class="' . esc_attr( join( ' ', get_post_class( $class, $post_id ) ) ) . '"';
}
/**
@@ -590,7 +590,7 @@ function get_post_class( $class = '', $post_id = null ) {
*/
function body_class( $class = '' ) {
// Separates class names with a single space, collates class names for body element.
echo 'class="' . join( ' ', get_body_class( $class ) ) . '"';
echo 'class="' . esc_attr( join( ' ', get_body_class( $class ) ) ) . '"';
}
/**