CVE-2025-50455

critical

Description

SQL injection vulnerability exists in the order_by parameter of the /customers/search endpoint in Alex Tselegidis EasyAppointments <= 1.5.1. The vulnerability arises from unsanitized user input passed to the order_by method of the CodeIgniter Query Builder, enabling attackers to perform time-based queries and schema enumeration. Under certain MySQL configurations, the flaw may lead to remote code execution by writing a PHP shell using INTO OUTFILE.

References

https://www.linkedin.com/posts/michael-chesang_cve-securityadvisory-appsec-activity-7360754900827365376-Z-IY

https://github.com/threatlance-org/security-advisories/blob/main/CVE-2025-50455/poc.py

https://github.com/threatlance-org/security-advisories/blob/main/CVE-2025-50455/advisory.md

Details

Source: Mitre, NVD

Published: 2026-07-27

Updated: 2026-07-30

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00552