PT-2026-78374

HumHub Community Edition 1.18.4 and 1.18.4-pl1 contain a stored Cross-Site Scripting XSS vulnerability in the oEmbed confirmation rendering workflow...

PT-2026-78489

HumHub 1.18.4 contains a stored cross-site scripting vulnerability in the comment-deletion notification flow. A Space administrator can delete another user's comment, choose to notify the original author, and place HTML/JavaScript in the deletion reason...

CVE-2026-47657

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

EUVD-2026-46349

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47657

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47657 HumHub Missing Authorization on Remove All Space Members Action

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47657 HumHub Missing Authorization on Remove All Space Members Action

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47657

HumHub CVE-2026-47657 affects HumHub versions 1.13.0–1.18.2. A missing authorization check in the Space member management controller lets any authenticated user remove all members from any Space, regardless of their role. The issue is fixed in version 1.18.3; upgrade to 1.18.3 or later. The CVSSv...

CVE-2026-47657 HumHub Missing Authorization on Remove All Space Members Action

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

PT-2026-62002

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-47657: Missing Authorization

HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization check in the Space member management controller allowed any authenticated user to trigger the removal of all members from any Space, regardless of their own role or membership in that...

CVE-2026-29048

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...

CVE-2026-29052

The Calendar module for HumHub enables users to create one-time or recurring events, manage attendee invitations, and efficiently track all scheduled activities. Prior to version 1.8.11, a Stored Cross-Site Scripting XSS vulnerability in the Event Types of the HumHub Calendar module impacts users...

CVE-2026-29048

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...

CVE-2026-29048

HumHub (Open Source Enterprise Social Network) vulnerability CVE-2026-29048 affects HumHub 1.18.0 in the Button component, where inconsistent output encoding allows cross-site scripting. The CVSS 4.0 vector yields a base score of 6.9 (Medium) with network attack vector, low attack complexity, and...

CVE-2026-29048 HumHub: XSS in Button component

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...

EUVD-2026-10014

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...

CVE-2026-29048

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...

CVE-2026-29048 HumHub: XSS in Button component

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...

CVE-2026-29048 HumHub: XSS in Button component

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the...