Cross-site scripting (XSS) vulnerability in the remote RSS sidebar plugin (serendipity_plugin_remoterss) in S9Y Serendipity before 1.2.1 allows remote attackers to inject arbitrary web script or HTML via a link in an RSS feed.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.006
                        
                    
                    
                        
                            EPSS Ranking 68.2%