CVE-2016-6854

Public Exploit

Description

An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code which got injected to a mail with inline PGP signature gets executed when verifying the signature. 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.).

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.46%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory securityfocus.com Third-Party Advisory exploit-db.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/92920 vdb entry third party advisory
http://packetstormsecurity.com/files/138701/Open-Xchange-Guard-2.4.2-Cross-Site-Scripting.html exploit vdb entry third party advisory
https://www.exploit-db.com/exploits/40377/ exploit vdb entry third party advisory
http://www.securityfocus.com/archive/1/539395/100/0/threaded mailing list

Frequently Asked Questions

What is the severity of CVE-2016-6854?
CVE-2016-6854 has been scored as a medium severity vulnerability.
How to fix CVE-2016-6854?
To fix CVE-2016-6854, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6854 being actively exploited in the wild?
It is possible that CVE-2016-6854 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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