CVE-2026-57813

CRITICAL

WordPress MailOptin plugin <= 1.2.77.3 - Privilege Escalation vulnerability

Title source: cna

Description

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

References (1)

Core 1

Core References

Vdb Entry vdb-entry

https://patchstack.com/database/Wordpress/Plugin/mailoptin/vulnerability/wordpress-mailoptin-plugin-1-2-77-3-privilege-escalation-vulnerability?_s_id=cve

Scores

CVSS v3 9.8

EPSS 0.0026

EPSS Percentile 17.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-266

Status published

Products (1)

properfraction/MailOptin < 1.2.77.3

Published Jul 13, 2026

Tracked Since Jul 13, 2026