CVE-2025-64442 HumHub is vulnerable to XSS through its Meta Search component

High 7.1 Published 7 Nov 2025 Updated 7 Nov 2025

Attackers can execute malicious scripts via the Meta Search feature in HumHub, potentially compromising user accounts.

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-2025-64442?

CVE-2025-64442 is a high-severity cross-site scripting vulnerability in humhub, published on 7 Nov 2025. 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

HumHub is an Open Source Enterprise Social Network. Versions below 1.17.4 have a XSS vulnerability in the Meta-Search feature which allows malicious input to be executed in search previews. This issue is fixed in version 1.17.4.

Weakness: CWE-79

Which versions are affected by CVE-2025-64442?

It affects 1 product.

Products include Humhub Humhub.

How do I fix CVE-2025-64442?

No fix has been published for CVE-2025-64442 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-2025-64442 being exploited?

There is no known exploitation of CVE-2025-64442 in the wild and no public exploit code.

Sources

Also known as GHSA-2hgp-33j2-93cc.