Cross-site scripting (XSS) vulnerability in the htmlscrubber component in ikiwiki 2.x before 2.53.5 and 3.x before 3.20100312 allows remote attackers to inject arbitrary web script or HTML via a crafted data:image/svg+xml URI.
Incomplete blacklist vulnerability in the teximg plugin in ikiwiki before 3.1415926 and 2.x before 2.53.4 allows context-dependent attackers to read arbitrary files via crafted TeX commands.
Plugin/passwordauth.pm (aka the passwordauth plugin) in ikiwiki 1.34 through 2.47 allows remote attackers to bypass authentication, and login to any account for which an OpenID identity is configured and a password is not configured, by specifying an empty password during the login sequence.
Cross-site request forgery (CSRF) vulnerability in Ikiwiki before 2.42 allows remote attackers to modify user preferences, including passwords, via the (1) preferences and (2) edit forms.