RCE in Opencart
CVE-2026-84437
A vulnerability was found in OpenCart 4.1.0.3/4.1.0.4. The impacted element is an unknown function of the file catalog/controller/account/address.php of the component Autocomplete Workflow. The manipulation of the argument address_1 results in cross site scripting. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- N/a Opencart — versions 4.1.0.3, 4.1.0.4
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-84437?
- CVE-2026-84437 is a low-severity vulnerability in Opencart, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-02.
- How severe is CVE-2026-84437?
- Low severity. CVSS v3 base score is 3.5 out of 10.