CVE-2026-84438 OpenCart Autocomplete Workflow edit.php cross site scripting
Remote attackers can inject malicious scripts via the firstname field in OpenCart's account edit page, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-84438?
CVE-2026-84438 is a medium-severity cross-site scripting vulnerability in OpenCart, published on 2 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was determined in OpenCart 4.1.0.3/4.1.0.4. This affects an unknown function of the file catalog/controller/account/edit.php of the component Autocomplete Workflow. This manipulation of the argument firstname causes cross site scripting. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-84438?
How do I fix CVE-2026-84438?
No fix has been published for CVE-2026-84438 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-84438 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84438 exists.
Sources
Also known as GHSA-9j6j-43p2-38v2.