Leed (Light Feed), possibly before 1.5 Stable, allows remote attackers to bypass authorization via vectors related to the (1) importForm, (2) importFeed, (3) addFavorite, or (4) removeFavorite actions in action.php.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.