The Advanced Custom Fields plugin before 5.8.12 for WordPress mishandles the escaping of strings in Select2 dropdowns, potentially leading to XSS.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://wordpress.org/plugins/advanced-custom-fields/#developers | third party advisory product |