CVE-2026-84437: OpenCart Autocomplete Workflow address.php cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-02 · updated 2026-09-03
Weakness: CWE-79

Description

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.

Affected products

OpenCart: 4.1.0.3, 4.1.0.4

References

https://github.com/Leousum/VulnPoC/blob/main/OpenCart_4.1.0.3/customer-address-stored-xss.md
https://vuldb.com/cve/CVE-2026-84437
https://vuldb.com/submit/885224
https://vuldb.com/vuln/397801
https://vuldb.com/vuln/397801/cti

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