[PLUGIN-1904] Fix: Vulnerability for json_version

pom.xml

@@ -73,7 +73,7 @@
     <commons.csv.version>1.6</commons.csv.version>
     <jackson.version>1.9.13</jackson.version>
     <jackson2.version>2.17.1</jackson2.version>
-    <json.version>20180813</json.version>
+    <json.version>20231013</json.version>
     <awaitility.version>3.1.6</awaitility.version>
     <commons-logging.version>1.2</commons-logging.version>
     <testSourceLocation>${project.basedir}/src/test/java/</testSourceLocation>

src/main/java/io/cdap/plugin/salesforce/plugin/source/streaming/SalesforceStreamingSourceUtil.java

@@ -33,6 +33,7 @@
 import org.slf4j.LoggerFactory;
 import scala.reflect.ClassTag$;
 
+import java.math.BigDecimal;
 import java.time.Instant;
 import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
@@ -148,6 +149,13 @@ private static Object convertValue(Object value, Schema.Field field) {
       }
     }
 
+    // NOTE: org.json >= 20230227 returns BigDecimal for all non-integer JSON numbers.
+    if (value instanceof BigDecimal && fieldSchemaType.equals(Schema.Type.DOUBLE)) {
+      // Avro Schema.Type.DOUBLE expects a Double instance (or primitive double) at serialization time,
+      // so converting BigDecimal → double for compatibility.
+      return ((BigDecimal) value).doubleValue();
+    }
+
     return value;
   }