CVE-2026-57813CWE-266

WordPress MailOptin plugin <= 1.2.77.3 - Privilege Escalation vulnerability

Critical · published July 13, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
40.6
In the wild
Unconfirmed
What it is

Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00483 · 40.6th percentile
Weakness
CWE-266 · Incorrect Privilege Assignment
Published
2026-07-13T08:41Z
EPSS history
Timeline
  • 13 JUL 08:41Z
    WordPress MailOptin plugin <= 1.2.77.3 - Privilege Escalation vulnerability
    cvelistv5