CVE-2016-6843 Cross-site scripting in n/a
Attackers can inject scripts into contact names that execute in the context of other users, potentially leading to session hijacking or unauthorized actions.
- 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-2016-6843?
CVE-2016-6843 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 7.8.2-rev8. Script code can be injected to contact names. When adding those contacts to a group, the script code gets executed in the context of the user which creates or changes the group by using autocomplete. In most cases this is a user with elevated permissions. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).
Weakness: CWE-79
Which versions are affected by CVE-2016-6843?
It affects 1 product.
Products include Open-Xchange Open-Xchange Appsuite.
How do I fix CVE-2016-6843?
No fix has been published for CVE-2016-6843 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-2016-6843 being exploited?
There is no known exploitation of CVE-2016-6843 in the wild and no public exploit code.
Other vulnerabilities in Open-Xchange Open-Xchange Appsuite
Sources
Also known as GHSA-xcqp-x5p7-qfw2.