CVE-2016-6853 Cross-site scripting in n/a
Attackers can inject malicious scripts into PGP key names, leading to script execution, session hijacking, or phishing when keys are viewed.
- 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-2016-6853?
CVE-2016-6853 is a medium-severity cross-site scripting vulnerability in n/a, 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 Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. 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-2016-6853?
It affects 1 product.
Products include Open-Xchange Ox Guard.
How do I fix CVE-2016-6853?
No fix has been published for CVE-2016-6853 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-2016-6853 being exploited?
There is no known exploitation of CVE-2016-6853 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6jmc-wgh2-9jr6.