CVE-2023-4599
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
The Email Encoder plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the 'eeb_mailto' shortcode in versions up to and including 2.1.8 due to insufficient input sanitization and output escaping on user supplied attributes.
Risk Assessment
Authenticated attackers with contributor-level and above permissions can inject arbitrary web scripts that will execute whenever a user accesses an injected page, posing a serious security risk to users.
Recommendation
It is recommended to update the plugin to version 2.1.9 or later to mitigate this vulnerability.
Original NVD description (English source)
The Email Encoder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'eeb_mailto' shortcode in versions up to, and including, 2.1.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. A partial patch was issued in version 2.1.8. The vulnerability was fully patched in 2.1.9.

