External risk intelligence

Joomla Easy Store SQL Injection Allows Full Database Read Access.

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2026-65761

The vulnerability exists in a Joomla extension designed for e-commerce, which is inherently a public-facing web application component. As an unauthenticated SQL injection point within a web store, it is directly exposed to the internet in any standard deployment.

SQL Injection

Halo Surface Signal: 5 out of 5 — more likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This advisory highlights a critical security vulnerability in a Joomla e-commerce extension. The flaw allows unauthenticated attackers to inject malicious SQL code, potentially gaining full access to the entire database, including sensitive customer information, credentials, and session data. This exposure means attackers could compromise user accounts and steal business-critical data without needing any prior access.

Unauthenticated code injection in an e-commerce tool.
Database access could expose customer and credential data.
Confirm relevance and understand potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker can target the Easy Store extension on a Joomla website without needing any login credentials. By sending specially crafted data related to order parameters, they can trigger a vulnerability that allows them to read sensitive database information. This could include user credentials and session data, potentially compromising the entire system.

No authentication required.
Triggered by manipulating order parameters.
Enables full database compromise.

Live Threat

Current exploitation, exposure, and threat context

Unauthenticated SQL injection in the Easy Store extension could allow attackers to read the entire database. This includes sensitive information like user credentials and session data when supported by the advisory.

Database contents could be read.
Unauthenticated SQL injection may occur.
Full database compromise is possible.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability in an unauthenticated SQL injection in a Joomla e-commerce extension requires immediate attention from teams responsible for managing public-facing web applications. The first practical step is to identify all instances of the affected extension, confirm their internet accessibility, assess business criticality, and then pinpoint the accountable owner to plan remediation based on risk.

Application and platform owners should act.
Verify internet exposure and business criticality.
Plan remediation based on assessed risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is the Joomla Easy Store extension?

Easy Store is a software extension for the Joomla content management system designed to add e-commerce functionality to websites. It allows site owners to manage products, carts, and customer transactions directly within their Joomla environment. Because it powers online storefronts, it handles sensitive data like customer records, order history, and administrative session information.

What does CWE-89 mean for CVE-2026-65761?

CWE-89 refers to Improper Neutralization of Special Elements used in an SQL Command, commonly known as SQL Injection. In the context of this CVE, it means the extension fails to properly check the data users send to it. Because of this weakness, an attacker can insert their own database commands into the application, tricking the software into revealing information it should keep private, such as the entire contents of the database.

How is this SQL injection triggered?

The vulnerability is triggered by sending specially crafted input related to order parameters within the Easy Store extension. Because the software does not require the user to log in first, an attacker can send these malicious requests remotely. It is important to note that simply visiting the website or viewing products does not trigger the flaw; the malicious activity requires specifically manipulating the order-related data structures that the extension processes.

Is my Joomla site at risk according to Halo Surface Signal?

Halo Surface Signal identifies this as a highly relevant threat because Easy Store is an e-commerce component inherently designed to be public-facing. Since the vulnerability is accessible over the internet without authentication, any site running the affected versions is directly exposed. If your instance is reachable by the public, it is considered a primary target for this type of automated injection attack.

What should I do if I use Easy Store?

Your first step is to locate all Joomla installations that have the Easy Store extension installed. Verify which sites are connected to the internet and assess the sensitivity of the data they manage. Once you have an inventory, coordinate with the owners of those specific instances to prioritize remediation steps based on the business criticality of each site.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.