How to fix CVE-2025-64442?

Within 30 days: Identify all affected systems running the Meta-Search feature which allows malicious input to be e and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens and content security policies are enforced.

Is Humhub affected by CVE-2025-64442?

Organizations using HumHub face moderate risk from CVE-2025-64442, a cross-site scripting vulnerability rated CVSS 7.1. Attackers could inject malicious scripts to steal user sessions, credentials, or perform actions on behalf of authenticated users.

CVE-2025-64442

HIGH

2025-11-07 [email protected]

7.1

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

Patch Released

Mar 28, 2026 - 19:21 nvd

Patch available

CVE Published

Nov 07, 2025 - 21:15 nvd

HIGH 7.1

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.

Analysis

HumHub is an Open Source Enterprise Social Network. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Humhub. Version information: version 1.17.4..

Affected Products

Humhub.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +36

POC: 0

CVE-2025-64442 vulnerability details – vuln.today

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CVE-2025-64442

CVSS Vector

Lifecycle Timeline

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CVE-2025-64442

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code