Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-29052

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d09834a20f8029bb627e6e9c9a541dda53d8e44d8a46984c2b20cdb24708a881
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"calendar","vendor":"humhub","versions":[{"status":"affected","version":"< 1.8.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3fbad2d19101a4831fe34918066d7bc1b9b5b8c84d60cdf4fa3f1502c5604c6b · sha256:f666469edeb051ba… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","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","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3fbad2d19101a4831fe34918066d7bc1b9b5b8c84d60cdf4fa3f1502c5604c6b · sha256:f666469edeb051ba… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3fbad2d19101a4831fe34918066d7bc1b9b5b8c84d60cdf4fa3f1502c5604c6b · sha256:f666469edeb051ba… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3fbad2d19101a4831fe34918066d7bc1b9b5b8c84d60cdf4fa3f1502c5604c6b · sha256:f666469edeb051ba… · /containers/cna/references/1
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3fbad2d19101a4831fe34918066d7bc1b9b5b8c84d60cdf4fa3f1502c5604c6b · sha256:f666469edeb051ba… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer