CVE-2016-4048 Cross-site scripting in n/a
Attackers can inject arbitrary text into login screen messages, facilitating social engineering attacks against users of OX App Suite.
- 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-2016-4048?
CVE-2016-4048 is a medium-severity cross-site scripting vulnerability in Open-Xchange Open-Xchange Appsuite, published on 15 Dec 2016. 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
An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. Custom messages can be shown at the login screen to notify external users about issues with sharing links. This mechanism can be abused to inject arbitrary text messages. Users may get tricked to follow instructions injected by third parties as part of social engineering attacks.
Which versions are affected by CVE-2016-4048?
It affects 1 product.
Products include Open-Xchange Open-Xchange Appsuite.
How do I fix CVE-2016-4048?
No fix has been published for CVE-2016-4048 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-2016-4048 being exploited?
There is no known exploitation of CVE-2016-4048 in the wild and no public exploit code.
Other vulnerabilities in Open-Xchange Open-Xchange Appsuite
Sources
Also known as GHSA-cv5q-mhpr-crqp.