JVN#47716829
Multiple vulnerabilities in acmailer

Overview

acmailer provided by Extra Innovation Inc. contains multiple vulnerabilities.

Products Affected

• acmailer CGI versions prior to ver.4.1.2
• acmailer DB versions prior to ver.1.2.2

Description

acmailer provided by Extra Innovation Inc. contains multiple vulnerabilities listed below:

• Cross-site Scripting (CWE-79)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Base Score 5.1
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Base Score 6.1
  • CVE-2026-66358
• Incorrect Authorization (CWE-863)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 8.7
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Base Score 8.8
  • CVE-2026-70408

Impact

• An arbitrary script may be executed in the web browser of the user (CVE-2026-66358).
• A sub-account user could create another sub-account that has administrative privileges (CVE-2026-70408).

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.