SQL injection vulnerability in Piwigo before 2.7.4, when all filters are activated, allows remote authenticated users to execute arbitrary SQL commands via the filter_level parameter in a "Refresh photo set" action in the batch_manager page to admin.php.
SQL injection vulnerability in Piwigo before 2.5.6, 2.6.x before 2.6.5, and 2.7.x before 2.7.3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.