Pyforum : Security Vulnerabilities, CVEs,

Multiple cross-site scripting (XSS) vulnerabilities in models.parser in PyForum 1.0.3 and possibly earlier versions, and possibly zForum, allow remote attackers to inject arbitrary web script or HTML via crafted BBcode (1) img or (2) url tags, which are not properly handled when a post is viewed.

Multiple cross-site request forgery (CSRF) vulnerabilities in PyForum 1.0.3 and possibly earlier versions, and possibly zForum, allow remote attackers to hijack the authentication of victims for requests that change passwords, and other unspecified requests, via unknown vectors.