CVE-2017-20027: Humhub

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was found in HumHub up to 1.0.1 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to cross site scripting (DOM). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.1.1 is able to address this issue. It is recommended to upgrade the affected component.

Affected products

• Humhub Humhub: before 1.1.1 (fixed in 1.1.1)

Published 2022-06-09. Last modified 2026-06-17.