CVE-2024-22075: HTML Injection in Firefly III Webhooks

grumpydictator/firefly-iii Updated 02 Oct 2025

Summary

05/01/2024
Yes i
Moderate
6.5

CVE-2024-22075: Firefly III allows webhooks HTML Injection. Affects grumpydictator/firefly-iii versions < 6.1.1. Fixed in 6.1.1. How to fix ↓

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Background

Firefly III is a popular open-source personal finance manager. It provides users with a comprehensive set of features to manage their finances, including budgeting, expense tracking, and transaction categorization. The webhooks functionality in Firefly III allows users to receive notifications and trigger actions based on specific events. However, a vulnerability has been discovered in Firefly III versions prior to 6.1.1 that allows for HTML injection in webhooks.

Vulnerability Detail

The HTML injection vulnerability in Firefly III webhooks allows an attacker to inject malicious HTML code into the webhook payload. This can lead to various security risks, such as cross-site scripting (XSS) attacks, where the injected code is executed within the context of the victim's browser. An attacker could exploit this vulnerability to steal sensitive information, perform unauthorized actions on behalf of the user, or deceive the user into performing unintended actions.

How To Fix

Minimum fixed version

6.1.1

This is the first release that contains the fix.

composer require grumpydictator/firefly-iii:6.1.1

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Workaround

There is no known workaround for this vulnerability. It is essential to apply the official patch by upgrading to Firefly III version 6.1.1 or later.

Conclusion

The HTML injection vulnerability in Firefly III webhooks poses a moderate risk to users. It is crucial to update to Firefly III version 6.1.1 or later to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

Firefly III is an open-source personal finance manager that helps users track and manage their finances.

A webhook is a way for an application to provide real-time notifications or trigger actions in another application.

HTML injection is a vulnerability that allows an attacker to inject malicious HTML code into a web application, potentially leading to various security risks.

This vulnerability can be exploited by attackers to perform cross-site scripting (XSS) attacks, steal sensitive information, or deceive users into unintended actions.

To protect yourself, make sure to upgrade to Firefly III version 6.1.1 or later, which includes a fix for this vulnerability.

Related vulnerabilities

Recent vulnerabilities recorded for grumpydictator/firefly-iii.

How To Fix

Minimum fixed version

6.1.1

This is the first release that contains the fix.

composer require grumpydictator/firefly-iii:6.1.1

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