CVE-2020-12648: Tiny Tinymce

Medium severity, CVSS 6.1. EPSS: 1.8% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability in TinyMCE 5.2.1 and earlier allows remote attackers to inject arbitrary web script when configured in classic editing mode.

Affected products

• Tiny Tinymce: before 4.9.11 (fixed in 4.9.11); from 5.0.0, before 5.4.1 (fixed in 5.4.1)

Published 2020-08-14. Last modified 2026-06-17.