{"id":"UBUNTU-CVE-2023-22622","details":"WordPress through 6.1.1 depends on unpredictable client visits to cause wp-cron.php execution and the resulting security updates, and the source code describes \"the scenario where a site may not receive enough visits to execute scheduled tasks in a timely manner,\" but neither the installation guide nor the security guide mentions this default behavior, or alerts the user about security risks on installations with very few visits.","modified":"2026-05-20T16:13:27.475196087Z","published":"2023-01-05T02:15:00Z","upstream":["CVE-2023-22622"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-22622"},{"type":"REPORT","url":"https://github.com/WordPress/WordPress/blob/dca7b5204b5fea54e6d1774689777b359a9222ab/wp-cron.php#L5-L8"},{"type":"REPORT","url":"https://developer.wordpress.org/plugins/cron/"},{"type":"REPORT","url":"https://www.tenable.com/plugins/was/113449"},{"type":"REPORT","url":"https://medium.com/@thecpanelguy/the-nightmare-that-is-wpcron-php-ae31c1d3ae30"},{"type":"REPORT","url":"https://wordpress.org/about/security/"},{"type":"REPORT","url":"https://wordpress.org/support/article/how-to-install-wordpress/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-22622"}],"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_name":"wordpress-theme-twentysixteen","binary_version":"4.4.2+dfsg-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-22622.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_name":"wordpress-theme-twentyseventeen","binary_version":"4.9.5+dfsg1-1"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-theme-twentysixteen"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-22622.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_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentyseventeen"},{"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/2023/UBUNTU-CVE-2023-22622.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_name":"wordpress","binary_version":"5.8.3+dfsg1-1ubuntu1.1"},{"binary_name":"wordpress-l10n","binary_version":"5.8.3+dfsg1-1ubuntu1.1"},{"binary_name":"wordpress-theme-twentynineteen","binary_version":"5.8.3+dfsg1-1ubuntu1.1"},{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress-theme-twentytwenty"},{"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/2023/UBUNTU-CVE-2023-22622.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_name":"wordpress-theme-twentytwentyfour","binary_version":"6.4.3+dfsg1-1ubuntu1"},{"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://g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