CVE-2017-0888 Cross-site scripting in Nextcloud Server
Attackers can spoof content in the Nextcloud files app navigation bar, potentially misleading users about the displayed information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-0888?
CVE-2017-0888 is a medium-severity cross-site scripting vulnerability in Nextcloud Nextcloud Server, published on 5 Apr 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Content-Spoofing vulnerability in the "files" app. The top navigation bar displayed in the files list contained partially user-controllable input leading to a potential misrepresentation of information.
Which versions are affected by CVE-2017-0888?
It affects 2 products.
Products include Nextcloud Nextcloud, Nextcloud Nextcloud Server.
How do I fix CVE-2017-0888?
No fix has been published for CVE-2017-0888 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-2017-0888 being exploited?
There is no known exploitation of CVE-2017-0888 in the wild and no public exploit code.
Other vulnerabilities in Nextcloud Nextcloud Server
- CVE-2019-5454 SQL injection in com.nextcloud.client
- CVE-2021-43863 SQL Injection in FileContentProvider (GHSL-2021-1007)
- CVE-2019-5450 Cross-site scripting in com.nextcloud.client
- CVE-2019-5455 Auth bypass in com.nextcloud.client
- CVE-2021-22905 Information disclosure in Nextcloud Android App (com.nextcloud.client)
Sources
Also known as GHSA-vm7h-q75f-9ph4.