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NVD security advisoryHigh

High advisory for HumHub Community Edition 1

CVE-2026-115541 · Reported 3 Nov 2026

Full advisory details, affected packages, severity context, and original source.

Affected technology

HumHub Community Edition 1Affected product

Advisory overview

HumHub Community Edition 1.19.0 contains a stored cross-site scripting vulnerability in the friendship confirmation dialog. An authenticated low-privileged member can save HTML in their first and last name. When another authenticated user clicks Friends for that profile, HumHub places the decoded display name into a modal through jQuery html(), causing attacker-controlled markup to execute in the victim's HumHub origin.

Related references

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HumHub Community Edition 1.19.0 contains a stored cross-site scripting vulnerability in the friendship confirm | Security report | Cevnitra