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Vulnerability details: VCID-8qwh-yey2-jbak
Vulnerability ID VCID-8qwh-yey2-jbak
Aliases CVE-2021-21377
GHSA-g4rf-pc26-6hmr
PYSEC-2021-32
Summary OMERO.web is open source Django-based software for managing microscopy imaging. OMERO.web before version 5.9.0 supports redirection to a given URL after performing login or switching the group context. These URLs are not validated, allowing redirection to untrusted sites. OMERO.web 5.9.0 adds URL validation before redirecting. External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
There are no known severity scores.
Reference id Reference type URL
https://github.com/ome/omero-web/blob/master/CHANGELOG.md#590-march-2021
https://github.com/ome/omero-web/commit/952f8e5d28532fbb14fb665982211329d137908c
https://github.com/ome/omero-web/security/advisories/GHSA-g4rf-pc26-6hmr
https://pypi.org/project/omero-web/
https://www.openmicroscopy.org/security/advisories/2021-SV2/
No exploits are available.
There are no known vectors.

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-02T04:09:38.632071+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/omero-web/PYSEC-2021-32.yaml 38.6.0