{"id":"UBUNTU-CVE-2026-66047","details":"ProfilePress (wp-user-avatar) WordPress plugin before 4.17.2 contains an unauthenticated remote code execution vulnerability that allows unauthenticated attackers to install and activate arbitrary plugins by brute-forcing a weak 32-bit connect token via the ppress_connect_process AJAX handler. Attackers can supply a caller-controlled URL through the file request parameter to trigger silent plugin installation and activation, achieving PHP code execution as the web-server user.","modified":"2026-09-02T16:22:32Z","published":"2026-08-31T15:17:00Z","upstream":["CVE-2026-66047"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-66047"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-66047"},{"type":"REPORT","url":"https://profilepress.com/changelog/"},{"type":"REPORT","url":"https://wordpress.org/plugins/wp-user-avatar/"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/profilepress-wordpress-plugin-unauthenticated-arbitrary-plugin-installation-rce"}],"affected":[{"package":{"name":"wordpress","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/wordpress?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3+dfsg-1","4.3.1+dfsg-1","4.4+dfsg-1","4.4.1+dfsg-1","4.4.2+dfsg-1","4.4.2+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"wordpress","binary_version":"4.4.2+dfsg-1ubuntu1"},{"binary_name":"wordpress-l10n","binary_version":"4.4.2+dfsg-1ubuntu1"},{"binary_name":"wordpress-theme-twentyfifteen","binary_version":"4.4.2+dfsg-1ubuntu1"},{"binary_name":"wordpress-theme-twentyfourteen","binary_version":"4.4.2+dfsg-1ubuntu1"},{"binary_version":"4.4.2+dfsg-1ubuntu1","binary_name":"wordpress-theme-twentysixteen"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66047.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/wordpress?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.2+dfsg-2","4.8.3+dfsg-1","4.9.1+dfsg-1","4.9.2+dfsg-1","4.9.4+dfsg-1","4.9.5+dfsg1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress"},{"binary_name":"wordpress-l10n","binary_version":"4.9.5+dfsg1-1"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-theme-twentyfifteen"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-theme-twentyseventeen"},{"binary_name":"wordpress-theme-twentysixteen","binary_version":"4.9.5+dfsg1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66047.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/wordpress?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.2+dfsg1-1","5.2.4+dfsg1-1","5.3.2+dfsg1-1","5.3.2+dfsg1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress"},{"binary_name":"wordpress-l10n","binary_version":"5.3.2+dfsg1-1ubuntu1"},{"binary_name":"wordpress-theme-twentynineteen","binary_version":"5.3.2+dfsg1-1ubuntu1"},{"binary_name":"wordpress-theme-twentyseventeen","binary_version":"5.3.2+dfsg1-1ubuntu1"},{"binary_name":"wordpress-theme-twentysixteen","binary_version":"5.3.2+dfsg1-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66047.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/wordpress?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.7.1+dfsg1-2ubuntu1","5.8.1+dfsg1-2ubuntu1","5.8.2+dfsg1-1ubuntu1","5.8.3+dfsg1-1ubuntu1","5.8.3+dfsg1-1ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress"},{"binary_name":"wordpress-l10n","binary_version":"5.8.3+dfsg1-1ubuntu1.1"},{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress-theme-twentynineteen"},{"binary_name":"wordpress-theme-twentytwenty","binary_version":"5.8.3+dfsg1-1ubuntu1.1"},{"binary_name":"wordpress-theme-twentytwentyone","binary_version":"5.8.3+dfsg1-1ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66047.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/wordpress?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2+dfsg1-1ubuntu1","6.4.3+dfsg1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"wordpress","binary_version":"6.4.3+dfsg1-1ubuntu1"},{"binary_name":"wordpress-l10n","binary_version":"6.4.3+dfsg1-1ubuntu1"},{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentytwentyfour"},{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentytwentythree"},{"binary_name":"wordpress-theme-twentytwentytwo","binary_version":"6.4.3+dfsg1-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-66047.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/wordpress?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"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