CVE-2026-65888: Balbooa Gridbox

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Joomla Extension - balbooa.com - Account takeover vulnerability in Gridbox < 2.20.2 - The socialLogin method allows actors to login as any given user on the target site.

Affected products

• Balbooa Gridbox: before 2.20.2 (fixed in 2.20.2)

Published 2026-07-29. Last modified 2026-08-05.