The spell checking component of (1) Asbru Web Content Management before 6.1.22, (2) Asbru Web Content Editor before 6.0.22, and (3) Asbru Website Manager before 6.0.22 allows remote attackers to execute arbitrary commands via an unspecified parameter that is not sanitized before Aspell is invoked.
archives.neohapsis.com/archives/fulldisclosure/2006-10/0306.html
editor.asbrusoft.com/page.php/id=727
secunia.com/advisories/22344
secunia.com/advisories/22353
secunia.com/advisories/22472
wcm.asbrusoft.com/page.php/id=791
www.securityfocus.com/bid/20544
www.vupen.com/english/advisories/2006/4004
www.vupen.com/english/advisories/2006/4060
www.vupen.com/english/advisories/2006/4061