CVE-2019-14672 Cross-site scripting in n/a

Medium 5.4 Published Updated

Stored XSS in Firefly III allows attackers to execute arbitrary JavaScript via the liability name field, potentially leading to session hijacking or data theft.

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

What is CVE-2019-14672?

CVE-2019-14672 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 Aug 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Firefly III 4.7.17.5 is vulnerable to stored XSS due to the lack of filtration of user-supplied data in the liability name field. The JavaScript code is executed upon an error condition during a visit to the account show page.

Weakness: CWE-79

Which versions are affected by CVE-2019-14672?

It affects 1 product.

Products include Firefly-Iii Firefly Iii.

How do I fix CVE-2019-14672?

No fix has been published for CVE-2019-14672 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-2019-14672 being exploited?

There is no known exploitation of CVE-2019-14672 in the wild and no public exploit code.

Sources

Also known as GHSA-qc5c-m97j-wqw3.

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