WordPress WP HTML Mail plugin <= 3.0.9 - Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability

wp-html-mail

Software
WP HTML Mail
Vulnerable Versions
<= 3.0.9
Fixed in version
3.1
Classification
Cross Site Scripting (XSS)
OWASP Top 10
A7: Cross-Site Scripting (XSS)
Disclosure Date
2022-01-13
CVSS 3.0 score

8.2

High

Can be exploited remotely without any authentication.

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Details

Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability discovered by Chloe Chamberland (Wordfence) in WordPress WP HTML Mail plugin (versions <= 3.0.9).

Solution

Update the WordPress WP HTML Mail plugin to the latest available version (at least 3.1).

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