Class based , object oriented programming language. Designed to have less dependencies as possible. The syntex of Java is smilier to C and C++. Commonly used for client-server applications. Java files are compiled by JVM (Java Virtual Machine)

Java

Openfire is an open-source, real-time collaboration server that uses the XMPP protocol to power instant messaging, presence awareness, and contact list maintenance. It is written in Java and supports various platforms, enabling organizations to establish secure and fault-tolerant communication networks. Openfire also offers a wide range of plugins to extend its functionalities.

Openfire

Ignite Realtime Openfire 4.4.1 allows XSS via the setup/setup-datasource-standard.jsp driver parameter.

CVE-2019-20525

CVE ID	Severity	Score	Technologies	Component name	CISA KEV exploit	Has fix	Published date
CVE-2026-22244	CRITICAL	9.1	Java	org.open-metadata:platform	No	Yes	Jan 07, 2026
CVE-2025-66518	HIGH	8.8	Java	org.apache.kyuubi:kyuubi-server_2.12	No	Yes	Jan 05, 2026
CVE-2025-61916	HIGH	7.9	Java	io.spinnaker.clouddriver:clouddriver-artifacts	No	Yes	Jan 05, 2026
CVE-2025-68280	MEDIUM	6.5	Java	org.apache.sis.core:sis-metadata	No	Yes	Jan 05, 2026
CVE-2025-66560	MEDIUM	5.9	Java	io.quarkus:quarkus-rest	No	Yes	Jan 07, 2026

CVE-2019-20525:
Java vulnerability analysis and mitigation

6.1

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CVE-2019-20525: Java vulnerability analysis and mitigation