Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Humhub | Calendar | < 1.8.11 |
Related Weaknesses (CWE)
References
- https://github.com/humhub/calendar/releases/tag/v1.8.11ProductRelease Notes
- https://github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8MitigationVendor Advisory
FAQ
What is CVE-2026-29052?
CVE-2026-29052 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 Cros...
How severe is CVE-2026-29052?
CVE-2026-29052 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-29052?
Check the references section above for vendor advisories and patch information. Affected products include: Humhub Calendar.