Optimize EPSS

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/views.py

@@ -208,6 +208,15 @@ def get_context_data(self, **kwargs):
                     severity_vectors.append({"vector": vector_values, "origin": severity.url})
             except (CVSS2MalformedError, CVSS3MalformedError, CVSS4MalformedError, NotImplementedError):
                 logging.error(f"CVSSMalformedError for {severity.scoring_elements}")
+        
+        epss_severity = vulnerability.severities.filter(scoring_system='epss').first()
+        epss_data = None
+        if epss_severity:
+            epss_data = {
+                "percentile": epss_severity.scoring_elements,
+                "score": epss_severity.value,
+                "published_at": epss_severity.published_at,
+            }
 
         context.update(
             {
@@ -220,6 +229,7 @@ def get_context_data(self, **kwargs):
                 "weaknesses": weaknesses_present_in_db,
                 "status": vulnerability.get_status_label,
                 "history": vulnerability.history,
+                "epss_data": epss_data
             }
         )
         return context