Ultimate Multisite – WordPress Multisite SaaS & WaaS Platform
ultimate-multisite
Vulnerabilities:
3
Last Updated:
October 6, 2026
Active Installs:
80
Published
Title
Fixed in
CVSS
Published
2026-10-12
Fixed in
Fixed in 2.17.2
CVSS
8.6 (high)
Published
2026-10-06
Title
Ultimate Multisite < 2.17.0 - Unauthenticated Authentication Bypass via 'email_address' Parameter
Fixed in
Fixed in 2.17.0
CVSS
9.8 (critical)
Published
2026-09-30
Title
Ultimate Multisite < 2.15.1 - Unauthenticated Authentication Bypass via 'checkout_form' Parameter
Fixed in
Fixed in 2.15.1
CVSS
9.8 (critical)
