CVE-2023-5660: SendPress Newsletters <= 1.22.3.31 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
The SendPress Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.22.3.31 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.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-5660?
CVE-2023-5660 is a vulnerability in the SendPress Newsletters plugin for WordPress that allows for Stored Cross-Site Scripting attacks.
What is the severity of CVE-2023-5660?
The severity of CVE-2023-5660 is medium, with a CVSS score of 6.4.
How does CVE-2023-5660 work?
CVE-2023-5660 works by exploiting insufficient input sanitization and output escaping on user supplied attributes in the SendPress Newsletters plugin for WordPress.
What is the affected software of CVE-2023-5660?
The affected software of CVE-2023-5660 is the SendPress Newsletters plugin for WordPress versions up to, and including, 1.22.3.31.
How can CVE-2023-5660 be fixed?
To fix CVE-2023-5660, it is recommended to update the SendPress Newsletters plugin for WordPress to a version greater than 1.22.3.31.