A remote authenticated authorization-bypass vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any read-only user to issue requests to the administration panel in order to change functionality. For example, a read-only user may activate the Java JMX port in unauthenticated mode and execute OS commands under root privileges. This issue was resolved in Wowza Streaming Engine 4.8.5.

An arbitrary file download was found in the "Download Log" functionality of Wowza Streaming Engine <= 4.x.x. This issue was resolved in Wowza Streaming Engine 4.8.0.

A Reflected XSS was found in the server selection box inside the login page at: enginemanager/loginfailed.html in Wowza Streaming Engine <= 4.x.x. This issue was resolved in Wowza Streaming Engine 4.8.0.

Wowza Streaming Engine 4.8.0 and earlier suffers from multiple CSRF vulnerabilities. For example, an administrator, by following a link, can be tricked into making unwanted changes such as adding another admin user via enginemanager/server/user/edit.htm in the Server->Users component. This issue was resolved in Wowza Streaming Engine 4.8.5.

Wowza Streaming Engine 4.8.0 and earlier from multiple authenticated XSS vulnerabilities via the (1) customList%5B0%5D.value field in enginemanager/server/serversetup/editadv.htm of the Server Setup configuration or the (2) host field in enginemanager/jspringsecuritycheck of the login form. This issue was resolved in Wowza Streaming Engine 4.8.5.

A privilege escalation vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any unprivileged Linux user to escalate privileges to root. The installer sets too relaxed permissions on /usr/local/WowzaStreamingEngine/bin/ core program files. By injecting a payload into one of those files, it will run with the same privileges as the Wowza server, root. For example, /usr/local/WowzaStreamingEngine/bin/tune.sh could be replaced with a Trojan horse. This issue was resolved in Wowza Streaming Engine 4.8.5.