CVE-2026-93769

High

Description

HumHub 1.18.5 is affected by a stored cross-site scripting (XSS) vulnerability that allows any user holding the delegated, non-system-administrator Manage Users permission (admin_manage_users) to inject persistent HTML/JavaScript into a Profile Field Category title.

SeverityHigh

CVSS7.2

Exploit probability—

Product

Humhub

PublishedSep 23, 2026

First seenSep 23, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Patches

github.com/humhub/humhub/pull/8499

Affected products

Product	Affected versions	Fixed in
Humhub Humhub	1.18.5	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.