Vulnerabilidades do Opencart Opencart

CVE-2026-18412 Crítica · 9.1 10/08/2026

The OpenCart v4.2.0.0 extension installer contains a directory traversal vulnerability

OpenCart extensions are uploaded as zip files with .ocmod.zip extensions. Upon installation, the OpenCart v4.2.0.0 extension installer extracts these zip files, but does not validate that the extracted paths stay inside the intended extraction directory. An attacker can craft a malicious extension containing file path traversal sequences, such as ../. With this vulnerability, an attacker can write files, such as a PHP web shell, into the webroot directory.

CVE-2021-47953 Média · 4.3 CWE-352 10/05/2026

OpenCart 3.0.3.7 Cross-Site Request Forgery via account/password

OpenCart 3.0.3.7 contains a cross-site request forgery vulnerability that allows attackers to change user passwords by sending crafted requests to the account/password endpoint. Attackers can trick authenticated users into submitting hidden forms with new password values in the 'password' and 'confirm' parameters to hijack accounts.

CVE-2021-47946 Média · 5.3 CWE-352 10/05/2026

OpenCart 3.0.3.6 Account Takeover via Cross Site Request Forgery

OpenCart 3.0.3.6 contains a cross-site request forgery vulnerability in the /account/edit endpoint that allows unauthenticated attackers to modify victim account details by tricking users into visiting malicious pages. Attackers can craft CSRF payloads that change victim email addresses and account information, then use password reset functionality to gain unauthorized access to compromised accounts.

CVE-2021-47923 Crítica · 9.8 CWE-290 10/05/2026

OpenCart 3.0.3.8 Session Fixation via OCSESSID Cookie

OpenCart 3.0.3.8 contains a session fixation vulnerability that allows attackers to hijack user sessions by injecting arbitrary values into the OCSESSID cookie. Attackers can set malicious OCSESSID cookie values that the server accepts and maintains, enabling session takeover and unauthorized access to user accounts.

CVE-2024-58341 Alta · 8.2 CWE-89 25/03/2026

OpenCart Core 4.0.2.3 SQL Injection via search Parameter

OpenCart Core 4.0.2.3 contains a SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the 'search' parameter. Attackers can send GET requests to the product search endpoint with malicious 'search' values to extract sensitive database information using boolean-based blind or time-based blind SQL injection techniques.

CVE-2026-3714 Média · 4.7 CWE-791 08/03/2026

OpenCart Incomplete Fix CVE-2024-36694 template.php save special elements used in a template engine

A vulnerability has been found in OpenCart 4.0.2.3. Affected by this issue is the function Save of the file admin/controller/design/template.php of the component Incomplete Fix CVE-2024-36694. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.

CVE-2025-15116 Média · 4.8 CWE-362 28/12/2025

OpenCart Single-Use Coupon race condition

A security flaw has been discovered in OpenCart up to 4.1.0.3. Affected by this issue is some unknown functionality of the component Single-Use Coupon Handler. Performing a manipulation results in race condition. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitation is known to be difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.