The is_eow function in format.c in CVSTrac before 2.0.1 does not properly check for the "'" (quote) character, which allows remote authenticated users to execute limited SQL injection attacks and cause a denial of service (database error) via a ' character in certain messages, tickets, or Wiki entries.

Multiple cross-site scripting (XSS) vulnerabilities in (1) main.c and (2) login.c for CVSTrac before 1.1.5 allow remote attackers to inject arbitrary HTML and web script.

filediff in CVStrac allows remote attackers to execute arbitrary commands via shell metacharacters in rcsinfo.