Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in tggfref WP-Recall allows PHP Local File Inclusion. This issue affects WP-Recall: from n/a through 16.26.14.
The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions.