---
id: CVE-2025-56385
title: >-
  A SQL injection vulnerability exists in the login functionality of WellSky
  Harmony version 4.1.0.2.83 within the 'xmHarmony.asp' endpoint
summary: >-
  A SQL injection vulnerability exists in the login functionality of WellSky
  Harmony version 4.1.0.2.83 within the 'xmHarmony.asp' endpoint. User-supplied
  input to the 'TXTUSERID' parameter is not properly sanitized before being
  incorporat…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-89
vendor: wellsky
product: harmony
affected:
  - harmony = 4.1.0.2.83
published: '2025-11-12'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-56385'
references:
  - url: 'https://machevalia.blog/blog/cve-2025-56385-wellsky-harmony-sql-injection'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00411
epssPercentile: 0.35014
ingestedAt: '2026-07-06T16:44:34.311Z'
---

## Overview

A SQL injection vulnerability exists in the login functionality of WellSky Harmony version 4.1.0.2.83 within the 'xmHarmony.asp' endpoint. User-supplied input to the 'TXTUSERID' parameter is not properly sanitized before being incorporated into a SQL query. Successful authentication may lead to authentication bypass, data leakage, or full system compromise of backend database contents.

## Affected

- `harmony = 4.1.0.2.83`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.