CVE-2021-43977

6.1 mediumEPSS 0.6%

Medium (6.1) in smartertools smartermail. EPSS 0.6% chance of exploitation in the next 30 days.

SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows XSS.

Severity

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-11-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19