scrub comments.
Additionally, it was discovered that comments' html was never scrubbed during
-preview or moderation of comments.
+preview or moderation of comments with such a configuration.
These problems were discovered on 12 November 2010 and fixed the same
-hour with the release of ikiwiki 3.20101112.
+hour with the release of ikiwiki 3.20101112. ([[!cve CVE-2010-1673]])
+
+## javascript insertation via insufficient checking in comments
+
+Dave B noticed that attempting to comment on an illegal page name could be
+used for an XSS attack.
+
+This hole was discovered on 22 Jan 2011 and fixed the same day with
+the release of ikiwiki 3.20110122. A fix was backported to Debian squeeze,
+as version 3.20100815.5. An upgrade is recommended for sites
+with the comments plugin enabled. ([[!cve CVE-2011-0428]])