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CVE-2021-30119 - Authenticated Authenticated reflective XSS in Kaseya VSA <= v9.5.6

CVE CVE-2021-30119
Case DIVD-2021-00011
Discovered by
Products Kaseya:
  • Kaseya VSA
Versions Kaseya:
  • Kaseya VSA
    • 9.x (<= 9.5.6)
CVSS Base score: 5.4
Solution Upgrade to a version above 9.5.6
Last modified 20 Jun 2022 09:35


Authenticated reflective XSS in HelpDeskTab/rcResults.asp

The parameter result of /HelpDeskTab/rcResults.asp is insecurely returned in the requested web page and can be used to perform a Cross Site Scripting attack

Example request: https://x.x.x.x/HelpDeskTab/rcResults.asp?result=<script>alert(document.cookie)</script>

The same is true for the parameter FileName of /done.asp

Eaxmple request: https://x.x.x.x/done.asp?FileName=";</script><script>alert(1);a="&PathData=&originalName=shell.aspx&FileSize=4388&TimeElapsed=00:00:00.078

Screenshot of XSS

Image 1. Screenshot of XSS

JSON version