Executive Summary

CVE-2026-49491 is an SQL injection vulnerability found in Pixa Bank 2.0. It allows unauthenticated attackers to inject malicious SQL code into the 'rib' parameter by sending specially crafted POST requests to the agence-ajax.php endpoint.

By exploiting this vulnerability, attackers can use UNION-based SQL payloads to extract sensitive user information such as names, email addresses, and phone numbers from the database.

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Impact Analysis

This vulnerability can lead to unauthorized disclosure of sensitive user data including personal identifiers like names, email addresses, and phone numbers.

Since the attack requires no authentication, it poses a high risk of data breach, potentially compromising user privacy and trust.

The CVSS v3.1 score of 8.2 indicates a high severity impact, emphasizing the critical nature of this vulnerability.

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Compliance Impact

The vulnerability in Pixa Bank 2.0 allows unauthenticated attackers to extract sensitive user data such as names, email addresses, and phone numbers via SQL injection. This unauthorized access to personal data can lead to non-compliance with data protection regulations like GDPR and HIPAA, which mandate the protection of personally identifiable information (PII) and sensitive health information.

Specifically, the exposure of such data could result in violations of GDPR's requirements for data confidentiality and integrity, potentially leading to legal penalties and reputational damage. Similarly, for HIPAA, if the data includes protected health information, this breach could constitute a violation of patient privacy rules.

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Detection Guidance

This vulnerability can be detected by monitoring for unusual POST requests to the agence-ajax.php endpoint that include the 'rib' parameter with suspicious SQL injection payloads, especially UNION-based SQL code.

Network administrators can use tools like curl or wget to manually test the endpoint by sending crafted POST requests with SQL injection payloads in the 'rib' parameter to see if sensitive data is returned.

Example command to test the vulnerability using curl:

• curl -X POST -d "rib=1' UNION SELECT name, email, phone FROM users--" https://targetsite.com/agence-ajax.php

Additionally, network intrusion detection systems (NIDS) can be configured to alert on POST requests containing SQL keywords such as UNION, SELECT, or typical SQL injection patterns targeting the 'rib' parameter.

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Mitigation Strategies

Immediate mitigation steps include implementing input validation and sanitization on the 'rib' parameter to prevent SQL injection.

Use prepared statements or parameterized queries in the backend code handling the agence-ajax.php endpoint to avoid direct injection of user input into SQL queries.

Restrict access to the agence-ajax.php endpoint if possible, and monitor logs for suspicious activity.

Apply any available patches or updates from the vendor addressing this vulnerability.

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