Alex Tselegidis EasyAppointments up to 1.5.1 Query Builder /customers/search order_by sql injection

Summaryinfo

A vulnerability was found in Alex Tselegidis EasyAppointments up to 1.5.1. It has been classified as critical. Impacted is the function order_by of the file /customers/search of the component Query Builder. The manipulation of the argument order_by leads to sql injection. This vulnerability is referenced as CVE-2025-50455. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Alex Tselegidis EasyAppointments up to 1.5.1. This issue affects the function order_by of the file /customers/search of the component Query Builder. The manipulation of the argument order_by with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at linkedin.com. The identification of this vulnerability is CVE-2025-50455 since 06/16/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/27/2026). MITRE ATT&CK project uses the attack technique T1505 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Appointment Software

Vendor

• Alex Tselegidis

Name

• EasyAppointments

Version

• 1.5.0
• 1.5.1

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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