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VULNERABILITIES

CVE-2026-29052 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/humhub/calendar/releases/tag/v1.8.11 [email protected]ProductRelease Notes
https://github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8 [email protected]MitigationVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
humhub calendar
< 1.8.11

CPE

  • cpe:2.3:a:humhub:calendar:*:*:*:*:*:humhub:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-29052
NVD Published Date:
Mar 5, 2026
NVD Last Modified:
Sep 2, 2026
Source:
[email protected]
CVE-2026-29052 Details - Not Deferred