Description
In Sitecore 9.0 rev 171002, Persistent XSS exists in the Media Library and File Manager. An authenticated unprivileged user can modify the uploaded file extension parameter to inject arbitrary JavaScript.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Sitecore 9.0 rev 171002 - Persistent Cross-Site Scripting EDB-47106 · webapps · Jul 11, 2019
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.