CVE-2022-31133 Cross site scripting in HumHub
An attacker with space administration privileges can inject malicious JavaScript into space names, potentially compromising other users who visit those spaces.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-31133?
CVE-2022-31133 is a medium-severity cross-site scripting vulnerability in humhub, published on 7 Jul 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
HumHub is an Open Source Enterprise Social Network. Affected versions of HumHub are vulnerable to a stored Cross-Site Scripting (XSS) vulnerability. For exploitation, the attacker would need a permission to administer the Spaces feature. The names of individual "spaces" are not properly escaped and so an attacker with sufficient privilege could insert malicious javascript into a space name and exploit system users who visit that space. It is recommended that the HumHub is upgraded to 1.11.4, 1.10.5. There are no known workarounds for this issue.
Weakness: CWE-79
Which versions are affected by CVE-2022-31133?
It affects 1 product.
Products include Humhub Humhub.
How do I fix CVE-2022-31133?
No fix has been published for CVE-2022-31133 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-2022-31133 being exploited?
There is no known exploitation of CVE-2022-31133 in the wild and no public exploit code.
Other vulnerabilities in humhub
Sources
Also known as GHSA-p7h3-73v7-959c.