CVE-2023-22469 Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache
Unauthorized users can access cached preview data of Nextcloud Deck cards they lack permission to view, exposing sensitive information.
- 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-2023-22469?
CVE-2023-22469 is a medium-severity vulnerability in nextcloud security-advisories, published on 10 Jan 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
Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. When getting the reference preview for Deck cards the user has no access to, unauthorized user could eventually get the cached data of a user that has access. There are currently no known workarounds. It is recommended that the Nextcloud app Deck is upgraded to 1.8.2.
Weakness: CWE-922
Which versions are affected by CVE-2023-22469?
It affects 1 product.
Products include Nextcloud Deck.
How do I fix CVE-2023-22469?
No fix has been published for CVE-2023-22469 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-22469 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-22469 exists.
Other vulnerabilities in nextcloud security-advisories
- CVE-2021-39225 Missing permission check on Deck API
- CVE-2020-8182 Missing authorization in Nextcloud Deck
- CVE-2021-37631 Circle can be accessed by non-Circle members in Nextcloud Deck
- CVE-2021-22913 Information disclosure in Nextcloud Deck
- CVE-2025-66557 Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners
Sources
Also known as GHSA-8fjp-w9gp-j5hq.