Cross-site scripting in SmarterMail - CVE-2023-48116
Published: February 6, 2026
Vulnerability identifier: #VU122449
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-48116
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: SmarterTools Inc.
Affected software:
SmarterMail
SmarterMail
Detailed vulnerability description
The vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via description of a Calendar appointment. A remote authenticated user can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
How to mitigate CVE-2023-48116
Install update from vendor's website.