Cross-site scripting in WP HTML Mail – Email Designer plugin for WordPress

Published: 2019-10-29
Risk Low
Patch available YES
Number of vulnerabilities 1
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
WP HTML Mail – Email Designer
Web applications / Modules and components for CMS

Vendor Hannes Etzelstorfer

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU22322

Risk: Low



CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

he vulnerability exists due to insufficient sanitization of user-supplied data when the affected plugin takes the content of the “text/plain” part and turn it into a new “text/html” part. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Install updates from vendor's website.

Vulnerable software versions

WP HTML Mail – Email Designer: 0.1 -

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?