CVE-2023-1789CWE-20

Improper Input Validation in firefly-iii/firefly-iii

Medium · published April 1, 2023

CVSS v3.0
5.2
EPSS
0%
Percentile
25.7
In the wild
Unconfirmed
What it is

⚠️ Improper input validation in Firefly III means a crafty user can submit unexpected data — think of it like a restaurant accepting any order, even if you ask for spaghetti on a pizza! 🍕 This vulnerability is like a restaurant with a super flexible menu that doesn't double-check your order. If you ask for something bizarre, they might slap it on your plate without a second thought, leading to some messy dishes! While this isn't a blockbuster breach, an attacker could leverage this input validation flaw to manipulate the application’s behavior — potentially leading to incorrect processing of data or even denial of service in worst-case scenarios. Yikes!

Put simply

This vulnerability is like a restaurant with a super flexible menu that doesn't double-check your order. If you ask for something bizarre, they might slap it on your plate without a second thought, leading to some messy dishes! The vulnerability arises from the Firefly III application not properly validating user input, allowing the potential for unexpected data to be processed incorrectly.

What to do

While this isn't a blockbuster breach, an attacker could leverage this input validation flaw to manipulate the application’s behavior — potentially leading to incorrect processing of data or even denial of service in worst-case scenarios. Yikes! Update Firefly III to version 6.0.0 immediately to resolve this issue. Additionally, review any custom input handling to ensure strict validation practices are in place. Testing the application for improper input scenarios can help fortify your setup! You've got this! With these steps, you'll keep your Firefly III installation running smoothly! 🛡️

The record
Technical detail
CVSS v3.0
5.2 · MEDIUM
Vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00335 · 25.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2023-04-01T00:00Z
EPSS history
Timeline
  • 01 APR 00:00Z
    Improper Input Validation in firefly-iii/firefly-iii
    cvelistv5