diff --git a/wordpress/wordpress.go b/wordpress/wordpress.go
index 2d44b9f..25e9ddf 100644
--- a/wordpress/wordpress.go
+++ b/wordpress/wordpress.go
@@ -235,6 +235,14 @@ func extractToVulnInfos(pkgName string, cves []WpCveInfo) (vinfos []models.VulnI
 	return
 }
 
+func searchCache(name string, wpVulnCaches *map[string]string) (string, bool) {
+	value, ok := (*wpVulnCaches)[name]
+	if ok {
+		return value, true
+	}
+	return "", false
+}
+
 func httpRequest(url, token string) (string, error) {
 	retry := 1
 	util.Log.Debugf("%s", url)