Cross-site scripting (XSS) vulnerability in the nonjs interface (interfaces/nonjs.pm) in CGI:IRC before 0.5.10 allows remote attackers to inject arbitrary web script or HTML via the R parameter.
Multiple buffer overflows in client.c in CGI:IRC (CGIIRC) before 0.5.8 might allow remote attackers to execute arbitrary code via (1) cookies or (2) the query string.