J2Commerce J2Store Extension up to 1.0.0-3.3.20/4.0.0-4.0.20/4.1.0-4.1.5 Cart Controller redirect

Summaryinfo

A vulnerability, which was classified as problematic, has been found in J2Commerce J2Store Extension up to 1.0.0-3.3.20/4.0.0-4.0.20/4.1.0-4.1.5. Affected by this vulnerability is an unknown functionality of the component Cart Controller. Performing a manipulation results in redirect. This vulnerability is known as CVE-2026-67362. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in J2Commerce J2Store Extension up to 1.0.0-3.3.20/4.0.0-4.0.20/4.1.0-4.1.5. This affects an unknown functionality of the component Cart Controller. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on integrity. The summary by CVE is:

Joomla Extension - j2commerce.com - Open redirect in cart controller in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - Four task handlers accepted a base64-encoded URL from user input and redirected to it without validating the destination host, enabling phishing using the shop's trusted domain. No authentication required.

The advisory is shared at j2commerce.com. This vulnerability is uniquely identified as CVE-2026-67362 since 07/29/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/21/2026). MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

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.

Productinfo

Vendor

• J2Commerce

Name

• J2Store Extension

Version

• 1.0.0-3.3.0
• 1.0.0-3.3.1
• 1.0.0-3.3.2
• 1.0.0-3.3.3
• 1.0.0-3.3.4
• 1.0.0-3.3.5
• 1.0.0-3.3.6
• 1.0.0-3.3.7
• 1.0.0-3.3.8
• 1.0.0-3.3.9
• 1.0.0-3.3.10
• 1.0.0-3.3.11
• 1.0.0-3.3.12
• 1.0.0-3.3.13
• 1.0.0-3.3.14
• 1.0.0-3.3.15
• 1.0.0-3.3.16
• 1.0.0-3.3.17
• 1.0.0-3.3.18
• 1.0.0-3.3.19
• 1.0.0-3.3.20
• 4.0.0-4.0.0
• 4.0.0-4.0.1
• 4.0.0-4.0.2
• 4.0.0-4.0.3
• 4.0.0-4.0.4
• 4.0.0-4.0.5
• 4.0.0-4.0.6
• 4.0.0-4.0.7
• 4.0.0-4.0.8
• 4.0.0-4.0.9
• 4.0.0-4.0.10
• 4.0.0-4.0.11
• 4.0.0-4.0.12
• 4.0.0-4.0.13
• 4.0.0-4.0.14
• 4.0.0-4.0.15
• 4.0.0-4.0.16
• 4.0.0-4.0.17
• 4.0.0-4.0.18
• 4.0.0-4.0.19
• 4.0.0-4.0.20
• 4.1.0-4.1.0
• 4.1.0-4.1.1
• 4.1.0-4.1.2
• 4.1.0-4.1.3
• 4.1.0-4.1.4
• 4.1.0-4.1.5

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Entryinfo

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

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