OMERO.web loads various information about the current user such as their id, name and the groups they are in, and these are available on the main webclient pages. Some additional information being loaded is not used by the webclient and is being removed in this release.
OMERO.web before 5.9.0
5.9.0
No workaround
If you have any questions or comments about this advisory:
github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021
github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c
github.com/ome/omero-web/security/advisories/GHSA-gfp2-w5jm-955q
nvd.nist.gov/vuln/detail/CVE-2021-21376
pypi.org/project/omero-web
www.openmicroscopy.org/security/advisories/2021-SV1