Vulnerability record · CVE-2026-57813 · published 13 July 2026

CVE-2026-57813: Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation…

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

9.8 CVSS 3.1 Critical EPSS 0.48% · top 60.8% CWE-266 · CWE-266 Deferred

9.8CVSS 3.1 base score

0.48%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

1References

13 Jul 2026Last modified by NVD

Description

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

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

References

Link	Tags
https://patchstack.com/database/Wordpress/Plugin/mailoptin/vulnerability/wordpress-mailoptin-plugin-1-2-77-3-privilege-e

Track CVE-2026-57813 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-48172LiteSpeed cPanel Plugin Redis Feature Privilege EscalationThe LiteSpeed User-End cPanel Plugin before 2.4.5 mishandles Redis enable/disable functionality, allowing privilege escalation that may reach root. I…KEVEPSS 1.0%analysed21 May 2026

Source: NIST National Vulnerability Database (record CVE-2026-57813), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.