Cross site scripting in mephisto 0.7.3

security advisory

References:
 http://www.mephistoblog.com
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1873

Description:
 Cross site scripting describes attacks that allow to insert malicious
 html or javascript code via get or post forms. This can be used to steal
 session cookies.
 mephisto is a rails-based blog application. The search function can be
 used to inject javascript code.

Workaround/Fix:
 There's no vendor fix.
 Vendor has been contacted 2007-03-10 and replied that they were working on
 the issue.

Sample injection URL:
 http://demo.mephistoblog.com/search?q=%3Cscript%3Ealert%281%29%3C%2Fscript%3E

CVE Information:
 The Common Vulnerabilities and Exposures (CVE) project has assigned the
 name CVE-2007-1873 to this issue. This is a candidate for inclusion in
 the CVE list (http://cve.mitre.org/), which standardizes names for
 security problems.

Credits and copyright:
 This vulnerability was discovered by Hanno Boeck of schokokeks.org
 webhosting.
 It's licensed creative commons attribution:
 http://creativecommons.org/licenses/by/3.0/

 Hanno Boeck, 2007-04-12, http://www.hboeck.de