4.3
CVSSv2

CVE-2016-6853

Published: 15/12/2016 Updated: 19/10/2018
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.1 | Impact Score: 2.7 | Exploitability Score: 2.8
VMScore: 435
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Vulnerability Summary

An issue exists in Open-Xchange OX Guard prior to 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.).

Vulnerability Trend

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open-xchange ox guard

Exploits

Product: OX Guard Vendor: OX Software GmbH Internal reference: 47878 (Bug ID) Vulnerability type: Cross Site Scripting (CWE-80) Vulnerable version: 242 and earlier Vulnerable component: guard Report confidence: Confirmed Solution status: Fixed by Vendor Fixed version: 240-rev11, 242-rev5 Researcher credits: Benjamin Daniel Mussler (@dejavuln ...
Open-Xchange Guard versions 242 and below suffer from multiple cross site scripting vulnerabilities ...