CVE-2019-14667 Cross-site scripting in n/a

Medium 6.1 Published 5 Aug 2019 Updated 5 Aug 2024

Attackers can inject malicious scripts via transaction descriptions or asset names, leading to code execution or account takeover in Firefly III.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-14667?

CVE-2019-14667 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Firefly III 4.7.17.4 is vulnerable to multiple stored XSS issues due to the lack of filtration of user-supplied data in the transaction description field and the asset account name. The JavaScript code is executed during a convert transaction action.

Weakness: CWE-79

Which versions are affected by CVE-2019-14667?

It affects 1 product.

Products include Firefly-Iii Firefly Iii.

How do I fix CVE-2019-14667?

No fix has been published for CVE-2019-14667 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-14667 being exploited?

There is no known exploitation of CVE-2019-14667 in the wild and no public exploit code.

Sources

Also known as GHSA-cc63-hf4q-596r.