CVE-2021-30119

Authenticated Authenticated reflective XSS in Kaseya VSA <= v9.5.6

Published Jul 9, 2021 CVSS 3.1 · 5.4 Medium EPSS 58.8% KEV · Not listed
Description
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`

Remediation

Vendor Solution

Upgrade to a version above 9.5.6

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-17059 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`
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 14, 2026, 3:55 AM
Reserved
Apr 2, 2021, 12:00 AM
Status
Modified
Published
Jul 9, 2021, 2:15 PM
Modified
Aug 14, 2026, 5:16 AM