CVE-2026-57813 PUBLISHED

WordPress MailOptin plugin <= 1.2.77.3 - Privilege Escalation vulnerability

Assigner: Patchstack
Reserved: 25.06.2026 Published: 13.07.2026 Updated: 13.07.2026

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

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	properfraction
Product	MailOptin
Versions	Default: unaffected affected from 0 to 1.2.77.3 (incl.)

Credits

qdtad | Patchstack Bug Bounty Program finder

References

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

Problem Types

Incorrect Privilege Assignment CWE

Impacts

Privilege Escalation