Posted by Kousuke Ebihara on Dec 11

I disclosed the following advisory about a XSS vulnerability of
RedCloth (Textile library for Ruby).
http://co3k.org/blog/redcloth-unfixed-xss-en

You shouldn’t use RedCloth to parse user inputted contents and output
the parsed string (except that you allow your
user to write arbitrary JavaScript code on your site) because it
contains unfixed XSS vulnerability for 9 years,
and it be also disclosed for 2 years.

Unfortunately, we may not…