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

MEDIUM 4.3CVE-2021-4015 · GHSA-g6vq-wc8w-4g69 · Published 01/12/2021 · updated 17/06/2026

In short

CVE-2021-4015 is a MEDIUM (CVSS 4.3) vulnerability affecting grumpydictator/firefly-iii, firefly iii (firefly-iii).
Chance of exploitation in the next 30 days (EPSS): 0.44%, higher than 38.6% of all vulnerabilities.
Fix: update to 5.6.5, 5.6.4 or later.

Package	Affected versions	Patched versions
grumpydictator/firefly-iii Packagist	`< 5.6.5`	`5.6.5`
firefly iii firefly-iii	`< 5.6.4`	`5.6.4`

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

NVD description

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

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Package

Affected versions

Patched versions

Packagist

< 5.6.5

5.6.5

< 5.6.4

5.6.4

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