FM / include

/var/www/leolaart.com/www/wp-content/plugins/polylang/include/

/var/www/leolaart.com/www/wp-content/plugins/polylang/include

Name	Size	Mode	Actions
api.php	17763	0666	edit dl rm
base.php	5932	0666	edit dl rm
cache.php	2503	0666	edit dl rm
class-polylang.php	8759	0666	edit dl rm
cookie.php	3433	0666	edit dl rm
crud-posts.php	15511	0666	edit dl rm
crud-terms.php	10105	0666	edit dl rm
db-tools.php	1038	0666	edit dl rm
filter-rest-routes.php	4988	0666	edit dl rm
filters-links.php	5686	0666	edit dl rm
filters-sanitization.php	3311	0666	edit dl rm
filters-widgets-options.php	2634	0666	edit dl rm
filters.php	15752	0666	edit dl rm
functions.php	7173	0666	edit dl rm
language-deprecated.php	7355	0666	edit dl rm
language-factory.php	9535	0666	edit dl rm
language.php	18470	0666	edit dl rm
license.php	9415	0666	edit dl rm
links-abstract-domain.php	3240	0666	edit dl rm
links-default.php	3100	0666	edit dl rm
links-directory.php	9721	0666	edit dl rm
links-domain.php	3136	0666	edit dl rm
links-model.php	6639	0666	edit dl rm
links-permalinks.php	5753	0666	edit dl rm
links-subdomain.php	2216	0666	edit dl rm
links.php	1331	0666	edit dl rm
mo.php	2020	0666	edit dl rm
model.php	34651	0666	edit dl rm
nav-menu.php	4533	0666	edit dl rm
olt-manager.php	8567	0666	edit dl rm
query.php	6544	0666	edit dl rm
rest-request.php	3194	0666	edit dl rm
static-pages.php	6415	0666	edit dl rm
switcher.php	11151	0666	edit dl rm
translatable-object-with-types-interface.php	1127	0666	edit dl rm
translatable-object-with-types-trait.php	1936	0666	edit dl rm
translatable-object.php	13593	0666	edit dl rm
translatable-objects.php	3569	0666	edit dl rm
translate-option.php	12759	0666	edit dl rm
translated-object.php	16786	0666	edit dl rm
translated-post.php	11964	0666	edit dl rm
translated-term.php	10008	0666	edit dl rm
walker-dropdown.php	3538	0666	edit dl rm
walker-list.php	2308	0666	edit dl rm
walker.php	2336	0666	edit dl rm
widget-calendar.php	9667	0666	edit dl rm
widget-languages.php	4678	0666	edit dl rm

Edit: /var/www/leolaart.com/www/wp-content/plugins/polylang/include/filters-sanitization.php (3311B)

<?php
/**
 * @package Polylang
 */

/**
 * Setup specific filters useful for sanitization.
 *
 * Extract from PLL_Admin_Filters to be able to use in a REST API context.
 *
 * @since 2.9
 */
class PLL_Filters_Sanitization {
	/**
	 * Language used for the sanitization depending on the context.
	 *
	 * @var string $locale
	 */
	public $locale;

/**
	 * Constructor: setups filters and actions.
	 *
	 * @since 2.9
	 *
	 * @param string $locale Locale code of the language.
	 */
	public function __construct( $locale ) {
		$this->locale = $locale;

// We need specific filters for some languages like German and Danish
		$specific_locales = array( 'da_DK', 'de_DE', 'de_DE_formal', 'de_CH', 'de_CH_informal', 'ca', 'sr_RS', 'bs_BA' );
		if ( in_array( $locale, $specific_locales ) ) {
			add_filter( 'sanitize_title', array( $this, 'sanitize_title' ), 10, 3 );
			add_filter( 'sanitize_user', array( $this, 'sanitize_user' ), 10, 3 );
		}
	}

/**
	 * Retrieve the locale code of the language.
	 *
	 * @since 2.0
	 *
	 * @return string
	 */
	public function get_locale() {
		return $this->locale;
	}

/**
	 * Maybe fix the result of sanitize_title() in case the languages include German or Danish
	 * Without this filter, if language of the title being sanitized is different from the language
	 * used for the admin interface and if one this language is German or Danish, some specific
	 * characters such as ä, ö, ü, ß are incorrectly sanitized.
	 *
	 * All the process is done by the remove_accents() WordPress function based on the locale value
	 *
	 * @link https://github.com/WordPress/WordPress/blob/5.5.1/wp-includes/formatting.php#L1920-L1944
	 *
	 * @since 2.0
	 *
	 * @param string $title     Sanitized title.
	 * @param string $raw_title The title prior to sanitization.
	 * @param string $context   The context for which the title is being sanitized.
	 * @return string
	 */
	public function sanitize_title( $title, $raw_title, $context ) {
		static $once = false;

if ( ! $once && 'save' == $context && ! empty( $title ) ) {
			$once = true;
			add_filter( 'locale', array( $this, 'get_locale' ), 20 ); // After the filter for the admin interface
			$title = sanitize_title( $raw_title, '', $context );
			remove_filter( 'locale', array( $this, 'get_locale' ), 20 );
			$once = false;
		}
		return $title;
	}

/**
	 * Maybe fix the result of sanitize_user() in case the languages include German or Danish
	 *
	 * All the process is done by the remove_accents() WordPress function based on the locale value
	 *
	 * @link https://github.com/WordPress/WordPress/blob/5.5-branch/wp-includes/formatting.php#L1920-L1944
	 *
	 * @since 2.0
	 *
	 * @param string $username     Sanitized username.
	 * @param string $raw_username The username prior to sanitization.
	 * @param bool   $strict       Whether to limit the sanitization to specific characters. Default false.
	 * @return string
	 */
	public function sanitize_user( $username, $raw_username, $strict ) {
		static $once = false;

if ( ! $once ) {
			$once = true;
			add_filter( 'locale', array( $this, 'get_locale' ), 20 ); // After the filter for the admin interface
			$username = sanitize_user( $raw_username, $strict );
			remove_filter( 'locale', array( $this, 'get_locale' ), 20 );
			$once = false;
		}
		return $username;
	}
}

cmd: