---
id: CVE-2026-93769
title: >-
  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 …
summary: >-
  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 …
severity: high
cvss: 7.2
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N'
cwe:
  - CWE-79
vendor: Humhub
product: Humhub
affected:
  - Humhub 1.18.5
published: '2026-09-23'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:20.143'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93769'
references:
  - url: 'https://fluidattacks.com/advisories/cali'
    label: help@fluidattacks.com
  - url: 'https://github.com/humhub/humhub'
    label: help@fluidattacks.com
  - url: 'https://github.com/humhub/humhub/pull/8499'
    label: help@fluidattacks.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-23T16:35:11.904601Z'
cvssSource: cna
ingestedAt: '2026-09-23T16:27:22.658Z'
epss: 0.00283
epssPercentile: 0.18524
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.