WordPress Really Simple Security plugin < 9.8.0 - Multisite Subsite Admin+ Arbitrary Plugin Installation vulnerability

Multisite Subsite Admin+ Arbitrary Plugin Installation vulnerability discovered by Charles Vosburgh in WordPress Plugin Really Simple SSL versions 9.8.0...

CVE-2026-81766

The Really Simple Security WordPress plugin (versions before 9.8.0 ) is vulnerable to an arbitrary plugin installation flaw. Due to insufficient authorization checks during the plugin installation process, a subsite administrator on a multisite network can install and execute arbitrary code withi...

CVE-2026-81766 Really Simple Security < 9.8.0 - Multisite Subsite Admin+ Arbitrary Plugin Installation via rsp_upgrade_install_plugin

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPress plugin before 9.8.0 before installing one from a user-supplied URL, allowing an administrator of a subsite on a multisite network to install and execute...

CVE-2026-81766 Really Simple Security < 9.8.0 - Multisite Subsite Admin+ Arbitrary Plugin Installation via rsp_upgrade_install_plugin

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPress plugin before 9.8.0 before installing one from a user-supplied URL, allowing an administrator of a subsite on a multisite network to install and execute...

EUVD-2026-68160

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPress plugin before 9.8.0 before installing one from a user-supplied URL, allowing an administrator of a subsite on a multisite network to install and execute...

PT-2026-83528

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPress plugin before 9.8.0 before installing one from a user-supplied URL, allowing an administrator of a subsite on a multisite network to install and execute...

CVE-2026-81766: Improper Privilege Management

The Really Simple Security WordPress plugin before 9.8.0 does not check that the user is allowed to install Really Simple Security WordPress plugin before 9.8.0 before installing one from a user-supplied URL, allowing an administrator of a subsite on a multisite network to install and execute...

WordPress Forminator Forms plugin < 1.57.1 - Unauthenticated Multisite Site Creation and Privilege Escalation vulnerability

Unauthenticated Multisite Site Creation and Privilege Escalation vulnerability discovered by Jakub Herman in WordPress Plugin Forminator versions 1.57.1...

WordPress Forminator Forms plugin < 1.57.0.5 - Admin+ Network-Wide RCE via Hub Connector API Key on Multisite vulnerability

Admin+ Network-Wide RCE via Hub Connector API Key on Multisite vulnerability discovered by Jakub Herman in WordPress Plugin Forminator versions 1.57.0.5...

WordPress Create Block Theme plugin < 2.10.0 - Admin+ PHP Code Injection via Pattern Save (Multisite) vulnerability

Admin+ PHP Code Injection via Pattern Save Multisite vulnerability discovered by Pavan Saxena Rootkid in WordPress Plugin Create Block Theme versions 2.10.0...

CVE-2026-19225

The Defender Security WordPress plugin before 6.2.0 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network...

CVE-2026-19454

The JetBackup WordPress plugin before 3.1.23.5 does not perform its multisite authorisation check before serving backup archives and job logs, allowing an administrator of the network's main site who is not a Super Admin to download a full backup of the entire network, including every site's data...

CVE-2026-19223

The Smush WordPress plugin before 4.3.2 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network...

CVE-2026-19225

The Defender Security WordPress plugin, in versions before 6.2.0 , contains a vulnerability where network-wide settings are not restricted to network administrators. This flaw allows an administrator of any single site on a multisite network to achieve Remote Code Execution (RCE) across the entir...

CVE-2026-19223

The Smush WordPress plugin (versions before 4.3.2 ) contains a vulnerability where it fails to restrict a network-wide setting to network administrators. This flaw allows an administrator of any single site within a multisite network to execute arbitrary code across the entire network. The root c...

EUVD-2026-66874

The Defender Security WordPress plugin before 6.2.0 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network...

WordPress JetBackup plugin 3.1.18.8-3.1.23.3 - Admin+ Multisite Network Backup Download vulnerability

Admin+ Multisite Network Backup Download vulnerability discovered by Akshat Parikh SN1PER in WordPress Plugin Backup Guard versions 3.1.18.8-3.1.23.3...

CVE-2026-19223 Smush < 4.3.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite

The Smush WordPress plugin before 4.3.2 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network...

EUVD-2026-66875

The JetBackup WordPress plugin before 3.1.23.5 does not perform its multisite authorisation check before serving backup archives and job logs, allowing an administrator of the network's main site who is not a Super Admin to download a full backup of the entire network, including every site's data...

CVE-2026-19225 Defender Security < 6.2.0 - Admin+ Network-Wide RCE via Hub Connector on Multisite

The Defender Security WordPress plugin before 6.2.0 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network...