CVE-2026-29052

MEDIUM

6.1

Description

The Calendar module for HumHub enables users to create one-time or recurring events, manage attendee invitations, and efficiently track all scheduled activities. Prior to version 1.8.11, a Stored Cross-Site Scripting (XSS) vulnerability in the Event Types of the HumHub Calendar module impacts users viewing events created by an administrative account. This issue has been patched in version 1.8.11.

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/5/2026

Last Modified3/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

humhub:calendar

Weaknesses (CWE)

CWE-79

References

https://github.com/humhub/calendar/releases/tag/v1.8.11(security-advisories@github.com)

https://github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8(security-advisories@github.com)

IOC Correlations

No correlations recorded

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