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.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29052.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.8.11"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"original_tag": "v1.8.11",
"range": [
{
"fixed": "6ed0e629fb5538dd5095603a9996530edfa23d83"
}
],
"source": "REFERENCES_TAG"
},
{
"cpe": "cpe:2.3:a:humhub:calendar:*:*:*:*:*:humhub:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.8.11"
}
],
"source": "CPE_RANGE"
}
]
}