High severityNVD Advisory· Published Aug 19, 2026

CVE-2026-18430

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Humhub/Humhubllm-fuzzy
Range: <1.18.4

Patches

Vulnerability mechanics

References

fluidattacks.com/es/advisories/personajesnvd
github.com/humhub/humhub/pull/8365nvd

News mentions

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cvss	0.455
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000