Cross-site scripting (XSS) vulnerability in Apache OpenMeetings before 3.1.1 allows remote attackers to inject arbitrary web script or HTML via the event description when creating an event.

Apache OpenMeetings: bandwidth can be overloaded with public web service

If was found that the NetTest web service can be used to overload the bandwidth of a Apache OpenMeetings server. This issue was addressed in Apache OpenMeetings 6.0.0

Apache OpenMeetings: Deserialisation of untrusted data in cluster mode

Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0 Description: Default clustering instructions at https://openmeetings.apache.org/Clustering.html  doesn't specify white/black lists for OpenJPA this leads to possible deserialisation of untrusted data. Users are recommended to upgrade to version 8.0.0 and update their startup scripts to include the relevant 'openjpa.serialization.class.blacklist' and 'openjpa.serialization.class.whitelist' configurations as shown in the documentation.

Apache OpenMeetings: allows null-byte Injection

An attacker who has gained access to an admin account can perform RCE via null-byte injection Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.1.0

Apache OpenMeetings: allows bypass authentication

An attacker that has gained access to certain private information can use this to act as other user. Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 3.1.3 before 7.1.0

Apache OpenMeetings: insufficient check of invitation hash

Attacker can access arbitrary recording/room Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.1.0

Apache OpenMeetings: allows user impersonation

Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0 Description: Attacker can elevate their privileges in any room

Attackers can use public NetTest web service of Apache OpenMeetings 4.0.0-5.0.0 to organize denial of service attack.

In Apache OpenMeetings 3.0.0 - 4.0.1, CRUD operations on privileged users are not password protected allowing an authenticated attacker to deny service for privileged users.