If an error occurred when resetting a user's password using the Forgot Password option in OMERO.web, the error message displayed on the Web page can disclose information about the user.
OMERO.web before 5.29.1
User should upgrade to 5.29.2 or higher
Disable the Forgot password option in OMERO.web using the omero.web.show_forgot_password configuration property[^1].
Thanks to Christopher Youd who reported the issue.
Open an issue in omero-web Email us at security@openmicroscopy.org