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4.4 Medium

CVE-2026-0691 The CM E-Mail Blacklist – Simple email filtering for safer registration plugin for WordPress is vulnerable to Stored…

Description

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.

Affected products and versions

Product Affected versions Fixed in
CM E-Mail Blacklist – Simple email filtering for safer registration 1.6 earliest → 1.6.2 No fix stated

Other CVEs of CM E-Mail Blacklist – Simple email filtering for safer registration

The 2 CVEs of CM E-Mail Blacklist – Simple email filtering for safer registration →
CVE-2024-11202 Multiple plugins for WordPress are vulnerable to Reflected Cross-Site Scripting via the cminds_free_guide shortcode in… 6.1 Medium
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