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cpe:2.3:a:nextcloud:calendar:*:*:*:*:*:*:*:*

part: a version: * update: *

VendorNextcloud (e5ae4298-6932-564f-a40d-08cebea039a5)
ProductCalendar (319c0b6e-da99-5681-8a21-629c2ea044cb)
Edition*
Language*
Software edition*
Target software*
Target hardware*
Other*
NotesImported from purl2cpe mapping

PURL mappings

PURLSourceLast updated
pkg:github/nextcloud/calendar purl2cpe 2026-06-01 10:17:59.585617

Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2025-66550 vulnerable 2026-06-08 07:41:19.164660 Nextcloud Calendar attachments of local files are offered to downloaded
MEDIUM (5.7)
Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This vulnerability is fixed in 4.7.17 and 5.2.4.
Published: 2025-12-05T16:56:44.680Z
Updated: 2025-12-05T18:41:24.347Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2025-66546 vulnerable 2026-06-08 07:41:19.152464 Nextcloud Calendar app allowed booking appointments without the generated token
LOW (3.3)
Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1.
Published: 2025-12-05T16:49:46.553Z
Updated: 2025-12-05T18:32:44.271Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2025-66511 vulnerable 2026-06-08 07:41:19.095343 db.gcve.eu details are currently unavailable. Imported from gcve-enriched-dumps CVE data
CVE:CVE-2024-37316 vulnerable 2026-06-08 06:39:47.134144 Nextcloud Calendar's event create can create attachments that link to other websites
MEDIUM (4.6)
Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2.
Published: 2024-06-14T15:23:12.705Z
Updated: 2024-08-02T03:50:56.106Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2023-48308 vulnerable 2026-06-08 06:14:26.849780 Calendar app returns full stacktrace when an error happens while editing appointment
LOW (3.5)
Nextcloud/Cloud is a calendar app for Nextcloud. An attacker can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment. It is recommended that the Nextcloud Calendar app is upgraded to 4.5.3
Published: 2023-12-21T23:12:45.538Z
Updated: 2024-11-27T15:46:01.287Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2023-45150 vulnerable 2026-06-08 06:12:42.063246 db.gcve.eu details were skipped to keep the page responsive. Imported from gcve-enriched-dumps CVE data
CVE:CVE-2023-33183 vulnerable 2026-06-08 06:06:21.936899 db.gcve.eu details were skipped to keep the page responsive. Imported from gcve-enriched-dumps CVE data
CVE:CVE-2022-24838 vulnerable 2026-06-08 05:41:44.733318 db.gcve.eu details were skipped to keep the page responsive. Imported from gcve-enriched-dumps CVE data
CVE:CVE-2018-3763 vulnerable 2026-06-08 05:11:41.253481 db.gcve.eu details were skipped to keep the page responsive. Imported from gcve-enriched-dumps CVE data

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