firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)

MEDIUM 4.3CVE-2021-3729 · GHSA-gp6w-ccqv-p7qr · Published 23/08/2021 · updated 17/06/2026

In short

CVE-2021-3729 is a MEDIUM (CVSS 4.3) vulnerability affecting grumpydictator/firefly-iii.
Chance of exploitation in the next 30 days (EPSS): 0.40%, higher than 34.7% of all vulnerabilities.
Fix: update to 5.6.0 or later.

Package	Affected versions	Patched versions
grumpydictator/firefly-iii Packagist	`< 5.6.0`	`5.6.0`

NVD description

firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

< 5.6.0

5.6.0

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