CVE-2019-9870: Oembed Project Oembed

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

plugin.js in the w8tcha oEmbed plugin before 2019-03-14 for CKEditor mishandles SCRIPT elements.

Affected products

• Oembed Project Oembed: before 2019-03-14 (fixed in 2019-03-14)

Published 2019-03-21. Last modified 2026-06-17.