{"id":"CVE-2017-20289","published":"2026-10-22T11:17:03.063","lastModified":"2026-10-23T22:16:50.180","description":"Broadstreet Ad Widget plugin for WordPress 2.2.0 before 2.12.0 contains a local file inclusion vulnerability that allows authenticated users to execute attacker-chosen PHP files by passing unsanitized input to require in views/modal/index.php. Attackers can supply directory traversal sequences in the 'step' parameter, optionally with a null byte, to include local files and execute PHP code. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-98"],"vendors":[],"products":[],"references":[{"url":"https://cxsecurity.com/issue/WLB-2017100084","tags":[]},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yaml","tags":[]},{"url":"https://packetstorm.news/files/id/144553/","tags":[]},{"url":"https://plugins.trac.wordpress.org/changeset/1628751/ad-widget","tags":[]},{"url":"https://wordpress.org/plugins/ad-widget/","tags":[]},{"url":"https://wpscan.com/vulnerability/caca21fe-56bf-4d4c-afc8-4a218e52f0a2","tags":[]},{"url":"https://www.vulncheck.com/advisories/broadstreet-ad-widget-wordpress-plugin-2.12.0-local-file-inclusion-via-step-parameter","tags":[]}],"exploitRefs":[{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yaml","tags":[]},{"url":"https://packetstorm.news/files/id/144553/","tags":[]}],"hasPoc":true,"ai":null}