In Real Player 20.0.8.310, there is a DCP:// URI Remote...
        
  Critical severity
        
          Unreviewed
      
        Published
          Jun 4, 2022 
          to the GitHub Advisory Database
          •
          Updated Jan 27, 2023 
      
  
Description
        Published by the National Vulnerability Database
      Jun 3, 2022 
    
  
        Published to the GitHub Advisory Database
      Jun 4, 2022 
    
  
        Last updated
      Jan 27, 2023 
    
  
In Real Player 20.0.8.310, there is a DCP:// URI Remote Arbitrary Code Execution Vulnerability. This is an internal URL Protocol used by Real Player to reference a file that contains an URL. It is possible to inject script code to arbitrary domains. It is also possible to reference arbitrary local files.
References