CVE-2024-22213 Cross-site Scripting when sending HTML as a comment in the Nextcloud Deck app
Attackers can execute malicious code in victims' browsers by sending crafted HTML comments in the Nextcloud Deck application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-22213?
CVE-2024-22213 is a cross-site scripting vulnerability in nextcloud security-advisories, published on 18 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions users could be tricked into executing malicious code that would execute in their browser via HTML sent as a comment. It is recommended that the Nextcloud Deck is upgraded to version 1.9.5 or 1.11.2. There are no known workarounds for this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2024-22213?
It affects 1 product.
Products include Nextcloud Deck.
How do I fix CVE-2024-22213?
No fix has been published for CVE-2024-22213 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-22213 being exploited?
There is no known exploitation of CVE-2024-22213 in the wild and no public exploit code.
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-2023-22469 Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache
Sources
Also known as GHSA-mg7w-x9fm-9wwc.