CVE-2019-11564 Cross-site scripting in n/a

Medium 6.1 Published 8 May 2019 Updated 4 Aug 2024

Remote attackers can inject arbitrary web script or HTML into HumHub via a specific POST request, potentially leading to session hijacking or malicious actions.

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-2019-11564?

CVE-2019-11564 is a medium-severity cross-site scripting vulnerability in n/a, published on 8 May 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 cross-site scripting (XSS) vulnerability in HumHub 1.3.12 allows remote attackers to inject arbitrary web script or HTML via a /protected/vendor/codeception/codeception/tests/data/app/view/index.php POST request.

Weakness: CWE-79

Which versions are affected by CVE-2019-11564?

It affects 1 product.

Products include Humhub Humhub.

How do I fix CVE-2019-11564?

No fix has been published for CVE-2019-11564 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-2019-11564 being exploited?

There is no known exploitation of CVE-2019-11564 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-m9v5-xxrp-9jfx.