The Jetpack WordPress plugin, used on 27 million sites, has addressed a critical vulnerability allowing logged-in users to access forms submitted by others; the flaw was detected during an internal audit and existed since 2016, with a fix implemented in 101 different versions starting from 3.9.9; although no known exploits exist yet, the potential risk of abuse led to immediate updates; the issue, located in the Contact Form feature, was closely monitored and resolved in collaboration with the WordPress

 WordPress Plugin Jetpack patches critical vulnerability affecting 27 million sites

org Security Team; this incident follows a previous critical flaw fix in June 2023 and a recent dispute between WordPress's founder and WP Engine, leading to the creation of Secure Custom Fields by WordPress.org.
https://thehackernews.com/2024/10/wordpress-plugin-jetpack-patches-major.html