A cross-site scripting (XSS) vulnerability in all ownCloud versions prior to 5.0.5 including the 4.0.x branch allows remote attackers to execute arbitrary javascript when a user opens a special crafted URL.
This vulnerability exists in the bundled 3rdparty plugin “jPlayer”, “jPlayer” released version 2.2.20 which addresses the problem.
For more information please consult the official advisory.
This advisory is licensed CC BY-SA 4.0