According to security Web sites, a newly discovered vulnerability could leave Lotus Notes and Domino vulnerable...
to certain attacks, even though the exploit is considered minor.
As a result, the problem can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.
The vulnerability has been classified as "less critical," and can be avoided by ensuring that inputs containing square brackets are properly sanitized. Additionally, exploitation is reportedly not possible on editable fields.