Authenticated SQL Injection in JoomShaper Easy Store Extension

Executive Summary

This is an authenticated, privileged SQL injection vulnerability in the Easy Store Joomla extension versions 1.0.0 to 3.0.0. The flaw exists in the coupon bulk update feature where user input IDs are directly concatenated into raw SQL queries without proper sanitization or parameterization. An attacker with administrator access could inject malicious SQL syntax to manipulate database queries.

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Detection Guidance

Check Joomla administrator logs for suspicious SQL queries or bulk update attempts in the Easy Store extension. Look for requests to administrator/index.php?option=com_easystore&task=coupon.couponBulkUpdate with unusual parameters.

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Impact Analysis

An attacker could exploit this to read, modify, or delete sensitive data in the Joomla database, including user credentials, payment information, or other confidential data. They could also potentially gain control over the Joomla site or execute administrative actions without proper authorization.

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Compliance Impact

This vulnerability could lead to unauthorized access and exposure of personal data, violating GDPR's data protection requirements and HIPAA's security rules for protected health information. Organizations may face regulatory fines, legal liabilities, and reputational damage if exploited.

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Mitigation Strategies

Update the Easy Store extension to the latest patched version. If no patch is available, restrict access to the administrator/index.php?option=com_easystore&task=coupon.couponBulkUpdate endpoint and review all administrator accounts for unauthorized access.

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