CVE-2023-1789 — Improper Input Validation in GitHub repository firefly-iii/firefly-iii prior to

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
firefly-iii	firefly	iii/firefly-iii — unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-01T00:00:00.000Z
• Last modified: 2025-02-11T16:44:22.914Z

09References

• huntr.dev — https://huntr.dev/bounties/2c3489f7-6b84-48f8-9368-9cea67cf373d
• github.com — https://github.com/firefly-iii/firefly-iii/commit/6b05c0fbd3e8c40ae9b24dc2698821…