CVE-2018-11627
Publication date 31 May 2018
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| ruby-sinatra | 22.04 LTS jammy | 
                              
                               
                                Fixed 2.0.8.1-2 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 20.04 LTS focal | 
                              
                               
                                Fixed 2.0.8.1-1 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 18.04 LTS bionic | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | Not in release | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | Required | 
| Scope | Changed | 
| Confidentiality | Low | 
| Integrity impact | Low | 
| Availability impact | None | 
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |