### [CVE-2016-9903](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9903) ![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3C%2050.1%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=XSS%20injection%20vulnerability%20in%20add-ons%20SDK&color=brighgreen) ### Description Mozilla's add-ons SDK had a world-accessible resource with an HTML injection vulnerability. If an additional vulnerability allowed this resource to be loaded as a document it could allow injecting content and script into an add-on's context. This vulnerability affects Firefox < 50.1. ### POC #### Reference - https://bugzilla.mozilla.org/show_bug.cgi?id=1315435 #### Github No PoCs found on GitHub currently.