CVE-2026-84437: Cross Site Scripting in OpenCart
Description
CVE-2026-84437 is a cross-site scripting (XSS) vulnerability in OpenCart versions 4.1.0.3 and 4.1.0.4. It affects an unknown function in the file catalog/controller/account/address.php related to the Autocomplete Workflow component. The vulnerability arises from improper handling of the address_1 argument, allowing remote attackers to inject malicious scripts. The exploit code has been publicly disclosed. The vendor has not responded to the disclosure, and no patch or fix is currently available.
CVSS v4.0
Score 5.1medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in OpenCart 4.1.0.3 and 4.1.0.4 involves a cross-site scripting flaw in an unknown function within catalog/controller/account/address.php of the Autocomplete Workflow component. Manipulating the address_1 parameter enables remote attackers to execute arbitrary scripts. The vulnerability has been publicly disclosed with exploit code available. The vendor has not issued any response or patch to date.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary scripts in the context of the affected OpenCart application, potentially leading to session hijacking, defacement, or other client-side attacks. The CVSS score is 5.1 (medium severity), indicating a moderate impact with no privileges required and user interaction needed. There are no known exploits in the wild at this time.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor. Users should monitor vendor channels for updates. Until a fix is released, consider applying input validation or sanitization controls on the address_1 parameter if possible, or restrict access to affected endpoints to trusted users only.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-x42m-4578-3cr2
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84437"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a984561acd9273b496aba11
Added to database: 09/02/2026, 15:48:49 UTC
Last enriched: 09/07/2026, 22:38:21 UTC
Last updated: 10/18/2026, 06:48:20 UTC
Views: 54
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