Quatuor Evaluación de Desempeño evaluacion_competencias_evalua.aspx Id_usuario sql injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Quatuor Evaluación de Desempeño. Affected by this vulnerability is an unknown functionality of the file /evaluacion_competencias_evalua.aspx. This manipulation of the argument Id_usuario causes sql injection. This vulnerability is tracked as CVE-2026-1473. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Quatuor Evaluación de Desempeño (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the file /evaluacion_competencias_evalua.aspx. The manipulation of the argument Id_usuario with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An out-of-band SQL injection vulnerability (OOB SQLi) has been detected in the Performance Evaluation (EDD) application developed by Gabinete Técnico de Programación. Exploiting this vulnerability in the parameter 'Id_usuario’ in '/evaluacion_competencias_evalua.aspx', could allow an attacker to extract sensitive information from the database through external channels, without the affected application returning the data directly, compromising the confidentiality of the stored information.

The weakness was disclosed by Óscar Atienza Vendrell. The advisory is shared at incibe.es. This vulnerability is known as CVE-2026-1473 since 01/27/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 02/11/2026). MITRE ATT&CK project uses the attack technique T1505 for this issue.

By approaching the search of inurl:evaluacion_competencias_evalua.aspx it is possible to find vulnerable targets with Google Hacking.

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.

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• Quatuor

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• Evaluación de Desempeño

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

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