Cross-site scripting (XSS) vulnerability in chat.ghp in Easy Chat Server 1.2 allows remote attackers to inject arbitrary web script or HTML via the username parameter.
chat.ghp in Easy Chat Server 1.2 allows remote attackers to cause a denial of service (server crash) via a long username parameter, possibly due to a buffer overflow. NOTE: it was later reported that 2.2 is also affected.
chat.ghp in Easy Chat Server 1.2 allows remote attackers to add a large number of fake users, then eventually cause a denial of service (server crash).