CVE-2023-0147 – Flexible Captcha <= 4.1 - Contributor+ Stored XSS

https://notcve.org/view.php?id=CVE-2023-0147

11 Jan 2023 — The Flexible Captcha WordPress plugin through 4.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks The Flexible Captcha plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in versions up to, and including, 4.1 due to insufficient input sanitization and output escaping on user ... • https://wpscan.com/vulnerability/af9cbb4a-42fc-43c5-88f3-349b417f1a6a • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •