CVE-2016-6853: XSS
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.).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2016-6853?
CVE-2016-6853 has been classified as a medium severity vulnerability due to the risk of cross-site scripting (XSS).
How do I fix CVE-2016-6853?
To fix CVE-2016-6853, upgrade Open-Xchange OX Guard to version 2.4.2-rev5 or later.
What impact does CVE-2016-6853 have on users?
CVE-2016-6853 allows attackers to inject and execute malicious script code through PGP key names, potentially compromising user security.
Is CVE-2016-6853 a known vulnerability in specific Open-Xchange versions?
Yes, CVE-2016-6853 affects Open-Xchange OX Guard versions prior to 2.4.2-rev5.
How can I identify if my system is affected by CVE-2016-6853?
You can identify if your system is affected by checking the installed version of Open-Xchange OX Guard against the vulnerability's specified versions.