CVE-2023-48308 Calendar app returns full stacktrace when an error happens while editing appointment
An attacker can obtain server stack traces and internal paths by triggering an error while editing a calendar appointment in the Nextcloud Calendar app.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-48308?
CVE-2023-48308 is a low-severity vulnerability in nextcloud security-advisories, published on 21 Dec 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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
Which versions are affected by CVE-2023-48308?
It affects 1 product.
Products include Nextcloud Calendar.
How do I fix CVE-2023-48308?
No fix has been published for CVE-2023-48308 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-48308 being exploited?
There is no known exploitation of CVE-2023-48308 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
- CVE-2025-66550 Nextcloud Calendar attachments of local files are offered to downloaded
- CVE-2022-24838 Command Injection in Appointment Emails for Nextcloud Calendar
- CVE-2025-66511 Nextcloud Calendar app used predictable proposal participant tokens
- CVE-2018-3763 Cross-site scripting in Nextcloud Calendar application
- CVE-2024-37316 Nextcloud Calendar's event create can create attachments that link to other websites
Sources
Also known as GHSA-fv3c-qvjr-5rv8.