CVE-2026-81783

HIGH 7.1

WordPress MailMunch – Grow your Email List plugin <= 3.2.5 - Broken Authentication vulnerability

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

Subscriber Broken Authentication in MailMunch – Grow your Email List <= 3.2.5 versions.

CWE	CWE-288
Vendor	mailmunch
Product	mailmunch – grow your email list
Published	Sep 10, 2026
Last Updated	Sep 10, 2026

Stay Ahead of the Next One

Get instant alerts for mailmunch mailmunch – grow your email list

Be the first to know when new high vulnerabilities affecting mailmunch mailmunch – grow your email list are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Affected Versions

mailmunch / MailMunch – Grow your Email List

n/a ≤ 3.2.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/mailmunch/vulnerability/wordpress-mailmunch-grow-your-email-list-plugin-3-2-5-broken-authentication-vulnerability?_s_id=cve

Credits

Jakub Herman | Patchstack Bug Bounty Program