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 …
Published: 2026-08-19 · CVSS: 7.2 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7