Description
The files_external app in ownCloud Server before 7.0.9, 8.0.x before 8.0.7, and 8.1.x before 8.1.2 allows remote authenticated users to instantiate arbitrary classes and possibly execute arbitrary code via a crafted mount point option, related to "objectstore."
Remediation
References
Related Vulnerabilities
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Twisted Web HTTP Server Improper Certificate Validation Vulnerability (CVE-2019-12855)
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WordPress Plugin Permalink Manager Lite Cross-Site Request Forgery (2.2.20.1)