CVE-2026-81278CWE-862broken-access-control

CVE-2026-81278

Medium · published September 1, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
20.1
In the wild
Unconfirmed
What it is

Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels.

This issue affects Post SMTP: from 4.0.0 through beta.1.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00287 · 20.1th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-01T01:17Z
References (1)
EPSS history
Timeline
  • 02 SEP 03:39Z
    EPSS moved — → 0%
    epss
  • 31 AUG 20:40Z
    WordPress Post SMTP plugin 4.0.0-beta.1 - Settings Change vulnerability
    cvelistv5