192 matches found
CVE-2026-18430
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...
EUVD-2026-62546
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-2026-18430 HumHub 1.18.4 - Stored XSS in comment-deletion notifications through unescaped administrator reason
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-2026-18430
HumHub 1.18.4's comment-deletion notification flow does not sanitize the administrator-supplied reason, allowing stored XSS when the original author views the notification. A Space admin can inject HTML/JavaScript targeting another user. CVSS 7.2 (HIGH) reflects network access with high privilege...
CVE-2026-18430 HumHub 1.18.4 - Stored XSS in comment-deletion notifications through unescaped administrator reason
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-2026-18756
HumHub Community Edition 1.18.4 contains a reflected cross-site scripting vulnerability in the Space membership-request workflow. An attacker can place attacker-controlled button configuration in the options query-string parameter of space/membership/request-membership-form, lure an authenticated...
CVE-2026-18526
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...
CVE-2026-18756 HumHub Community Edition 1.18.4-pl1 - Reflected XSS in Space membership request button rendering
HumHub Community Edition 1.18.4 contains a reflected cross-site scripting vulnerability in the Space membership-request workflow. An attacker can place attacker-controlled button configuration in the options query-string parameter of space/membership/request-membership-form, lure an authenticated...
CVE-2026-18756 HumHub Community Edition 1.18.4-pl1 - Reflected XSS in Space membership request button rendering
HumHub Community Edition 1.18.4 contains a reflected cross-site scripting vulnerability in the Space membership-request workflow. An attacker can place attacker-controlled button configuration in the options query-string parameter of space/membership/request-membership-form, lure an authenticated...
EUVD-2026-62500
HumHub Community Edition 1.18.4 contains a reflected cross-site scripting vulnerability in the Space membership-request workflow. An attacker can place attacker-controlled button configuration in the options query-string parameter of space/membership/request-membership-form, lure an authenticated...
CVE-2026-18756
HumHub Community Edition 1.18.4 contains a reflected cross-site scripting vulnerability in the Space membership-request workflow . An attacker can inject attacker-controlled button configuration via the options query-string parameter of space/membership/request-membership-form, then lure an authe...
CVE-2026-18526 HumHub 1.18.4 / 1.18.4-pl1 – Stored Cross-Site Scripting in oEmbed confirmation
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...
CVE-2026-18526
HumHub CE 1.18.4 and 1.18.4-pl1 have a stored XSS flaw in the oEmbed confirmation rendering workflow; the fix is tracked in GitHub PR #8373 (https://github.com/humhub/humhub/pull/8373). No exploitation evidence is provided in the documents.
CVE-2026-18526 HumHub 1.18.4 / 1.18.4-pl1 – Stored Cross-Site Scripting in oEmbed confirmation
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...
EUVD-2026-62415
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 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...