CVE-2019-9094 Cross-site scripting in n/a

Medium 6.1 Published 18 Mar 2019 Updated 4 Aug 2024

Reflected XSS in Humhub allows attackers to execute arbitrary JavaScript via crafted filenames, potentially leading to session hijacking or account takeover.

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-2019-9094?

CVE-2019-9094 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Mar 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

A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in /s/adada/cfiles/upload in Humhub 1.3.10 Community Edition. The user-supplied input containing JavaScript in the filename is echoed back in JavaScript code, which resulted in XSS.

Weakness: CWE-79

Which versions are affected by CVE-2019-9094?

It affects 1 product.

Products include Humhub Humhub.

How do I fix CVE-2019-9094?

No fix has been published for CVE-2019-9094 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-2019-9094 being exploited?

There is no known exploitation of CVE-2019-9094 in the wild and no public exploit code.

Sources

Also known as GHSA-46v9-f637-4p8c.