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Grouped Backports to the 6.2 branch.

Browse Source 
- Editor: Fix Path Traversal issue on Windows in Template-Part Block.
- Editor: Sanitize Template Part HTML tag on save.
- HTML API: Run URL attributes through `esc_url()`.

Merges [58470], [58471], [58472] and [58473] to the 6.2 branch.
Props xknown, peterwilsoncc, jorbin, bernhard-reiter, azaozz, dmsnell, gziolo.




git-svn-id: https://develop.svn.wordpress.org/branches/6.2@58479 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Jb Audras 2024-06-24 15:13:02 +00:00
parent d3492f7782
commit 4d9e652e2e
8 changed files with 1610 additions and 1199 deletions
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2742
package-lock.json generated
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12
package.json
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@ -82,24 +82,24 @@
"@wordpress/api-fetch": "6.23.2",
"@wordpress/autop": "3.26.2",
"@wordpress/blob": "3.26.2",
"@wordpress/block-directory": "4.3.15",
"@wordpress/block-directory": "4.3.16",
"@wordpress/block-editor": "11.3.11",
"@wordpress/block-library": "8.3.15",
"@wordpress/block-library": "8.3.16",
"@wordpress/block-serialization-default-parser": "4.26.2",
"@wordpress/blocks": "12.3.4",
"@wordpress/components": "23.3.8",
"@wordpress/compose": "6.3.4",
"@wordpress/core-data": "6.3.4",
"@wordpress/customize-widgets": "4.3.15",
"@wordpress/customize-widgets": "4.3.16",
"@wordpress/data": "8.3.4",
"@wordpress/data-controls": "2.26.4",
"@wordpress/date": "4.26.3",
"@wordpress/deprecated": "3.26.2",
"@wordpress/dom": "3.26.2",
"@wordpress/dom-ready": "3.26.2",
"@wordpress/edit-post": "7.3.15",
"@wordpress/edit-site": "5.3.15",
"@wordpress/edit-widgets": "5.3.15",
"@wordpress/edit-post": "7.3.16",
"@wordpress/edit-site": "5.3.16",
"@wordpress/edit-widgets": "5.3.16",
"@wordpress/editor": "13.3.11",
"@wordpress/element": "5.3.3",
"@wordpress/escape-html": "2.26.2",

2
src/wp-includes/assets/script-loader-packages.min.php
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36
src/wp-includes/blocks.php
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@ -839,7 +839,7 @@ function _filter_block_content_callback( $matches ) {
* @return array The filtered and sanitized block object result.
*/
function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );
$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols, $block );
if ( is_array( $block['innerBlocks'] ) ) {
foreach ( $block['innerBlocks'] as $i => $inner_block ) {
@ -855,6 +855,7 @@ function filter_block_kses( $block, $allowed_html, $allowed_protocols = array()
* non-allowable HTML.
*
* @since 5.3.1
* @since 6.5.5 Added the `$block_context` parameter.
*
* @param string[]|string $value The attribute value to filter.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
@ -862,13 +863,18 @@ function filter_block_kses( $block, $allowed_html, $allowed_protocols = array()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @param array $block_context Optional. The block the attribute belongs to, in parsed block array format.
* @return string[]|string The filtered and sanitized result.
*/
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) {
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array(), $block_context = null ) {
if ( is_array( $value ) ) {
foreach ( $value as $key => $inner_value ) {
$filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols );
$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols );
$filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols, $block_context );
$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols, $block_context );
if ( isset( $block_context['blockName'] ) && 'core/template-part' === $block_context['blockName'] ) {
$filtered_value = filter_block_core_template_part_attributes( $filtered_value, $filtered_key, $allowed_html );
}
if ( $filtered_key !== $key ) {
unset( $value[ $key ] );
@ -883,6 +889,28 @@ function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = ar
return $value;
}
/**
* Sanitizes the value of the Template Part block's `tagName` attribute.
*
* @since 6.5.5
*
* @param string $attribute_value The attribute value to filter.
* @param string $attribute_name The attribute name.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @return string The sanitized attribute value.
*/
function filter_block_core_template_part_attributes( $attribute_value, $attribute_name, $allowed_html ) {
if ( empty( $attribute_value ) || 'tagName' !== $attribute_name ) {
return $attribute_value;
}
if ( ! is_array( $allowed_html ) ) {
$allowed_html = wp_kses_allowed_html( $allowed_html );
}
return isset( $allowed_html[ $attribute_value ] ) ? $attribute_value : '';
}
/**
* Parses blocks out of a content string, and renders those appropriate for the excerpt.
*

2
src/wp-includes/blocks/template-part.php
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@ -155,7 +155,7 @@ function render_block_core_template_part( $attributes ) {
global $wp_embed;
$content = $wp_embed->autoembed( $content );
if ( empty( $attributes['tagName'] ) ) {
if ( empty( $attributes['tagName'] ) || tag_escape( $attributes['tagName'] ) !== $attributes['tagName'] ) {
$area_tag = 'div';
if ( $area_definition && isset( $area_definition['area_tag'] ) ) {
$area_tag = $area_definition['area_tag'];

3
src/wp-includes/formatting.php
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@ -4720,12 +4720,13 @@ EOF;
* Escapes an HTML tag name.
*
* @since 2.5.0
* @since 6.5.5 Allow hyphens in tag names (i.e. custom elements).
*
* @param string $tag_name
* @return string
*/
function tag_escape( $tag_name ) {
$safe_tag = strtolower( preg_replace( '/[^a-zA-Z0-9_:]/', '', $tag_name ) );
$safe_tag = strtolower( preg_replace( '/[^a-zA-Z0-9-_:]/', '', $tag_name ) );
/**
* Filters a string cleaned and escaped for output as an HTML tag.
*

3
src/wp-includes/functions.php
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@ -6001,6 +6001,9 @@ function validate_file( $file, $allowed_files = array() ) {
return 0;
}
// Normalize path for Windows servers
$file = wp_normalize_path( $file );
// `../` on its own is not allowed:
if ( '../' === $file ) {
return 1;

9
src/wp-includes/html-api/class-wp-html-tag-processor.php
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@ -1867,7 +1867,14 @@ class WP_HTML_Tag_Processor {
if ( true === $value ) {
$updated_attribute = $name;
} else {
$escaped_new_value = esc_attr( $value );
$comparable_name = strtolower( $name );
/*
* Escape URL attributes.
*
* @see https://html.spec.whatwg.org/#attributes-3
*/
$escaped_new_value = in_array( $comparable_name, wp_kses_uri_attributes() ) ? esc_url( $value ) : esc_attr( $value );
$updated_attribute = "{$name}=\"{$escaped_new_value}\"";
}