CVE-2019-15619 Cross-site scripting in Nextcloud Server
Cross-site scripting vulnerability in Nextcloud allows attackers to execute scripts via malicious file, conversation, or board names.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-15619?
CVE-2019-15619 is a medium-severity cross-site scripting vulnerability in Nextcloud Nextcloud Server, published on 4 Feb 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project.
Weakness: CWE-79
Which versions are affected by CVE-2019-15619?
It affects 3 products.
Products include Nextcloud Deck, Nextcloud Nextcloud Server, Nextcloud Talk.
How do I fix CVE-2019-15619?
No fix has been published for CVE-2019-15619 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-2019-15619 being exploited?
There is no known exploitation of CVE-2019-15619 in the wild and no public exploit code.
Other vulnerabilities in Nextcloud Nextcloud Server
- 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-mvc5-w9jr-jvqm.