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CVE PROGRAM SOURCE RECORD7.2 High

CVE-2026-18430

HumHub 1.18.4 - Stored XSS in comment-deletion notifications through unescaped administrator reason

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Status
Published
Published
Updated
Assigning organization
Fluid Attacks

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

HumHub HumHub

Default version status: unaffected

  • 1.18.4affected

References