Hi, @Swede, If you are using 2.3.5 you can remove the tag <a> from description editing core files.
You need to modify oc-includes/osclass/ItemActions.php
l.46 aprox
$config = HTMLPurifier_Config::createDefault();
$config->set('HTML.Allowed', 'b,strong,i,em,u,a[href|title],ul,ol,li,p[style],br,span[style]');
Remove " a[href|title], " from HTML.Allowed
$config = HTMLPurifier_Config::createDefault();
$config->set('HTML.Allowed', 'b,strong,i,em,u,ul,ol,li,p[style],br,span[style]');
That should work.
Regards