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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-25 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Gabia Co., Ltd Firstmall: all versions

References

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

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