{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-29052","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-03T17:50:11.244Z","datePublished":"2026-03-05T05:48:10.557Z","dateUpdated":"2026-03-05T15:30:11.121Z"},"containers":{"cna":{"title":"HumHub Calendar Module: Stored XSS in Event Types","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8"},{"name":"https://github.com/humhub/calendar/releases/tag/v1.8.11","tags":["x_refsource_MISC"],"url":"https://github.com/humhub/calendar/releases/tag/v1.8.11"}],"affected":[{"vendor":"humhub","product":"calendar","versions":[{"version":"< 1.8.11","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-05T05:48:10.557Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-gqj3-pmp2-mrx8","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-05T15:29:52.961012Z","id":"CVE-2026-29052","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-05T15:30:11.121Z"}}]}}