EPSS
Percentile
40.5%
process_forms in the WPML (aka sitepress-multilingual-cms) plugin through 3.6.3 for WordPress has XSS via any locale_file_name_ parameter (such as locale_file_name_en) in an authenticated theme-localization.php request to wp-admin/admin.php.
0x62626262.wordpress.com/2018/10/08/sitepress-multilingual-cms-plugin-unauthenticated-stored-xss/