Fix aliases check

Signed-off-by: ziadhany <ziadhany2016@gmail.com>

Author: ziadhany

vulnerabilities/improvers/exploitdb.py

@@ -62,9 +62,7 @@ def get_inferences(self, advisory_data) -> Iterable[Inference]:
                     if not vul:
                         continue
 
-                    reference_id = row[11]
-
-                    if reference_id:
+                    if raw_alias:
                         url_map = {
                             "file_url": f"https://gitlab.com/exploit-database/exploitdb/-/blob/main/{row[1]}"
                             if row[1]
@@ -75,10 +73,11 @@ def get_inferences(self, advisory_data) -> Iterable[Inference]:
                         for key, url in url_map.items():
                             if url:
                                 ref, created = VulnerabilityReference.objects.update_or_create(
-                                    reference_id=reference_id,
+                                    reference_id=row[11],
                                     reference_type=VulnerabilityReference.EXPLOIT,
                                     defaults={"url": url},
                                 )
+
                                 if created:
                                     VulnerabilityRelatedReference.objects.create(
                                         vulnerability=vul,