### [CVE-2017-9513](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9513) ![](https://img.shields.io/static/v1?label=Product&message=Activity%20Streams&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Access%20Control%20(CWE-284)&color=brighgreen) ### Description Several rest inline action resources of Atlassian Activity Streams before version 6.3.0 allows remote authenticated attackers to watch any Confluence page & receive notifications when comments are added to the watched page, and vote & watch JIRA issues that they do not have access to, although they will not receive notifications for the issue, via missing permission checks. ### POC #### Reference - https://ecosystem.atlassian.net/browse/STRM-2350 #### Github No PoCs found on GitHub currently.