CVSS 3.1 Score 6.4 of 10 (medium)


Published Nov 7, 2023
Updated: Nov 14, 2023


CVE-2023-5660 is a vulnerability affecting the SendPress Newsletters plugin for WordPress. The vulnerability allows for Stored Cross-Site Scripting (XSS) attacks through the plugin's shortcode(s) due to insufficient input sanitization and output escaping. This means that authenticated attackers with contributor-level and above permissions can inject arbitrary web scripts, which will execute whenever a user accesses an injected page. The vulnerability affects all versions of the plugin up to and including To remediate this vulnerability, users should update to the latest version of the SendPress Newsletters plugin, which contains the necessary fixes. The potential danger posed to organizations is medium, with a base severity rating of MEDIUM and a base score of 6.4 out of 10 according to CVSS:3.1 scoring system.

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