Description
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.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2r7q-vfmv-79qf
Patch x_refsource_misc
https://github.com/nextcloud/calendar/pull/5966
Issue Tracking x_refsource_misc
https://hackerone.com/reports/2457588
Scores
CVSS v3
4.6
EPSS
0.0043
EPSS Percentile
62.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-241
Status
published
Products (1)
nextcloud/calendar
4.3.0 - 4.6.8
Published
Jun 14, 2024
Tracked Since
Feb 18, 2026