TinyMCE Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2026-47761
TinyMCE is an open source rich text editor. Prior to 5.11.1 7.9.3 and 8.5.1 there is a stored XSS vulnerability in the media plugin. Attackers can inject malicious scripts via crafted data-mce- attributes which are executed when content is rendered. Impacts users of TinyMCE with the media plugin enabled. This vulnerability is fixed in 5.11.1 7.9.3 and 8.5.1.