diff --git a/plugins/pom.xml b/plugins/pom.xml
index 7d9382c03b..d87e7b1821 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -356,6 +356,19 @@
                             </configuration>
                         </execution>
                     </executions>
+                    <dependencies>
+                        <dependency>
+                            <groupId>org.eclipse.jetty.ee8</groupId>
+                            <artifactId>jetty-ee8-glassfish-jstl</artifactId>
+                            <version>${jetty.version}</version>
+                            <exclusions>
+                                <exclusion> <!-- The exclusion of Xalan is no longer needed when Jetty bug https://github.com/jetty/jetty.project/issues/12674 is fixed. The fix is expected to be part of Jetty release 12.0.17. -->
+                                    <groupId>xalan</groupId>
+                                    <artifactId>xalan</artifactId>
+                                </exclusion>
+                            </exclusions>
+                        </dependency>
+                    </dependencies>
                 </plugin>
 
                 <plugin>
diff --git a/xmppserver/pom.xml b/xmppserver/pom.xml
index c3def89072..aebe707392 100644
--- a/xmppserver/pom.xml
+++ b/xmppserver/pom.xml
@@ -175,6 +175,19 @@
                         </configuration>
                     </execution>
                 </executions>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.eclipse.jetty.ee8</groupId>
+                        <artifactId>jetty-ee8-glassfish-jstl</artifactId>
+                        <version>${jetty.version}</version>
+                        <exclusions>
+                            <exclusion> <!-- The exclusion of Xalan is no longer needed when Jetty bug https://github.com/jetty/jetty.project/issues/12674 is fixed. The fix is expected to be part of Jetty release 12.0.17. -->
+                                <groupId>xalan</groupId>
+                                <artifactId>xalan</artifactId>
+                            </exclusion>
+                        </exclusions>
+                    </dependency>
+                </dependencies>
             </plugin>
 
             <plugin>