### [CVE-2017-5214](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5214) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows prediction of a uniqid value based on knowledge of a time value. This makes it easier to read arbitrary uploaded files. ### POC #### Reference - https://navixia.com/storage/app/media/uploaded-files/CVE/cve-2017-521415.txt #### Github No PoCs found on GitHub currently.