CVE-2018-6835: Etherpad

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.

Affected products

• Etherpad Etherpad: before 1.6.3 (fixed in 1.6.3)

Published 2018-02-08. Last modified 2026-06-17.