HGiga MailSherlock does not validate user parameters on multiple login pages. Attackers can use the vulnerability to inject JavaScript syntax for XSS attacks.
https://www.twcert.org.tw/tw/cp-132-4260-ba376-1.html
Source: Mitre, NVD
Published: 2020-12-31
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: 0.00294