Threat Entry Updated 2026-04-15

CVE-2026-0691 - Cm Email Blacklist Plugin

The CM E-Mail Blacklist – Simple email filtering for safer registration plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'black_email' parameter in all versions up to, and including, 1.6.2. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

PLUGIN Cm Email Blacklist

CVE-2026-0691

MEDIUM CVSS 4.4 2026-01-17

Risk Score

Open Full Technical Breakdown

Threat Entry Updated 2024-11-26

CVE-2024-11202 - Cm Email Blacklist Plugin

Multiple plugins for WordPress are vulnerable to Reflected Cross-Site Scripting via the cminds_free_guide shortcode in various versions due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

PLUGIN Cm Email Blacklist

CVE-2024-11202

MEDIUM CVSS 6.1 2024-11-26

Risk Score

Open Full Technical Breakdown