CVE-2021-30119
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:…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 58.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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`
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 58.76% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- kaseya/vsa
- Source
- cve@mitre.org
EPSS moved from 53.4% on 14 October 2026 to 58.8% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/Patch, Third Party Advisory
- https://csirt.divd.nl/CVE-2021-30119Exploit, Third Party Advisory
- https://csirt.divd.nl/DIVD-2021-00011Patch, Third Party Advisory
- https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/Patch, Third Party Advisory
- https://csirt.divd.nl/CVE-2021-30119Exploit, Third Party Advisory
- https://csirt.divd.nl/DIVD-2021-00011Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.