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HumHub Cross-Site Scripting Vulnerability in Meta-Search Feature

Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in the HumHub open-source enterprise social network, specifically in versions prior to 1.17.4. The issue arises in the Meta-Search feature, where malicious input can be executed in search previews.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users are advised to update to HumHub version 1.17.4 or later, where this vulnerability has been fixed.

Added: Nov 7, 2025, 9:17 PM
Updated: Nov 7, 2025, 9:17 PM

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
1.7
exploitability
6.5
remediation
7.7
relevance
1.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.