admin/plugin.php in Piwigo through 2.8.3 doesn't validate...
        
  Critical severity
        
          Unreviewed
      
        Published
          May 17, 2022 
          to the GitHub Advisory Database
          •
          Updated Jan 27, 2023 
      
  
Description
        Published by the National Vulnerability Database
      Jan 3, 2017 
    
  
        Published to the GitHub Advisory Database
      May 17, 2022 
    
  
        Last updated
      Jan 27, 2023 
    
  
admin/plugin.php in Piwigo through 2.8.3 doesn't validate the sections variable while using it to include files. This can cause information disclosure and code execution if it contains a .. sequence.
References