Medium severity6.1NVD Advisory· Published Mar 5, 2026· Updated Jun 17, 2026
CVE-2026-29052
CVE-2026-29052
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.
Affected products
3- Range: <1.8.11
- humhub/calendarv5Range: < 1.8.11
Patches
Vulnerability mechanics
References
2- github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8nvdMitigationVendor Advisory
- github.com/humhub/calendar/releases/tag/v1.8.11nvdProductRelease Notes
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