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KSES: Revert [54092] for now to address unit test failures.

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See #55966.

git-svn-id: https://develop.svn.wordpress.org/trunk@54093 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2022-09-07 15:22:09 +00:00
parent 478e38cf62
commit b548aee4ad
2 changed files with 33 additions and 81 deletions
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src/wp-includes/kses.php
+3 -5
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@@ -2228,7 +2228,6 @@ function kses_init() {
* @since 5.3.1 Added support for gradient backgrounds.
* @since 5.7.1 Added support for `object-position`.
* @since 5.8.0 Added support for `calc()` and `var()` values.
* @since 6.1.0 Added support for `min()`, `max()`, `minmax()`, and `clamp()` values.
*
* @param string $css A string of CSS rules.
* @param string $deprecated Not used.
@@ -2468,11 +2467,10 @@ function safecss_filter_attr( $css, $deprecated = '' ) {
}
if ( $found ) {
// Allow some CSS functions.
$css_test_string = preg_replace( '/\b(?:calc|min|max|minmax|clamp)\(((?:\([^()]*\)?|[^()])*)\)/', '', $css_test_string );
// Allow CSS calc().
$css_test_string = preg_replace( '/calc\(((?:\([^()]*\)?|[^()])*)\)/', '', $css_test_string );
// Allow CSS var().
$css_test_string = preg_replace( '/\(?var\(--[\w\-\()[\]\,\s]*\)/', '', $css_test_string );
$css_test_string = preg_replace( '/\(?var\(--[a-zA-Z0-9_-]*\)/', '', $css_test_string );
// Check for any CSS containing \ ( & } = or comments,
// except for url(), calc(), or var() usage checked above.