What is CVE-2021-40377?

CVE-2021-40377 is a medium-severity vulnerability in Smartertools Smartermail, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-08.

How severe is CVE-2021-40377?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Smartertools Smartermail

CVE-2021-40377

SmarterTools SmarterMail 16.x before build 7866 has stored XSS. The application fails to sanitize email content, thus allowing one to inject HTML and/or JavaScript into a page that will then be processed and stored by the application.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (37.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Smartertools Smartermail
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40377?: CVE-2021-40377 is a medium-severity vulnerability in Smartertools Smartermail, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-08.
How severe is CVE-2021-40377?: Medium severity. CVSS v3 base score is 5.4 out of 10.