CVE-2021-26617

critical

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.

References

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

Details

Source: Mitre, NVD

Published: 2022-02-25

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00729