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CVE Record

CVE-2016-5124: An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev14.

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev14. Adding images from external sources to HTML editors by drag&drop can potentially lead to script code execution in the context of the active user. To exploit this, a user needs to be tricked to use an image from a specially crafted website and add it to HTML editor areas of OX App Suite, for example E-Mail Compose or OX Text. This specific attack circumvents typical XSS filters and detection mechanisms since the code is not loaded from an external service but injected locally. 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.). To exploit this vulnerability, a attacker needs to convince a user to follow specific steps (social-engineering).

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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a user-targeted cross-site scripting flaw in Open-Xchange OX App Suite. A tricked user could drag an image from a malicious website into an HTML editor, causing script to run as that user. Business impact includes account misuse, unwanted mail activity, and data deletion through the web interface. Exposure is limited to organizations running Open-Xchange OX App Suite versions before 7.8.1-rev14 where users access HTML editor functionality. The provided sources do not identify specific CPEs, deployment types, or affected hosted providers. Treat this as a moderate-priority remediation for exposed OX App Suite deployments. The attack needs user interaction, but successful exploitation can let an attacker act as the victim inside business email and collaboration workflows. Mitigation focus: Upgrade OX App Suite to 7.8.1-rev14 or a vendor-supported later release.; Review the Open-Xchange advisory before applying production changes.; Warn users not to drag content from untrusted websites into webmail or document editors..

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Not scored
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