CVE-2026-81764

Received Received - Intake

Unauthenticated XSS in Email Essentials

Publication date: 2026-08-31

Last updated on: 2026-08-31

Assigner: Patchstack

Description

Unauthenticated Cross Site Scripting (XSS) in Email Essentials <= 6.0.6 versions.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-31

Last Modified

2026-08-31

Generated

2026-09-01

AI Q&A

2026-09-01

EPSS Evaluated

N/A

NVD

CVE-2026-81764

Affected Vendors & Products

Vendor	Product	Version / Range
patchstack	email_essentials	to 6.0.6 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting Email Essentials plugin versions 6.0.6 and below. XSS allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Impact Analysis

An attacker could exploit this to steal user sessions, redirect users to malicious sites, or perform actions on behalf of users. It may lead to unauthorized data access or manipulation if users interact with the injected scripts.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Update Email Essentials to a version higher than 6.0.6 to address the XSS vulnerability. If an update is not available, consider disabling the plugin temporarily until a patch is released.

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