The parameters of the specific functions in the CTS Web trading system do not filter special characters, which allows unauthenticated attackers can remotely perform reflected XSS and obtain the users’ connection token that triggered the attack.
https://www.twcert.org.tw/tw/cp-132-4758-82b05-1.html
https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344
Source: Mitre, NVD
Published: 2021-05-28
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00668