{"id":"CVE-2017-20289","title":"Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter","summary":"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/inde…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-98"],"vendor":"Broadstreet","product":"Ad Widget","affected":["ad_widget >= 2.2.0 < 2.12.0"],"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T10:57:23.974Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2017-20289","references":[{"url":"https://wpscan.com/vulnerability/caca21fe-56bf-4d4c-afc8-4a218e52f0a2","label":"WPScan Advisory"},{"url":"https://packetstorm.news/files/id/144553/","label":"Packet Storm 144553"},{"url":"https://cxsecurity.com/issue/WLB-2017100084","label":"CXSecurity WLB-2017100084"},{"url":"https://plugins.trac.wordpress.org/changeset/1628751/ad-widget","label":"WordPress Changeset"},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yaml","label":"Nuclei Template"},{"url":"https://wordpress.org/plugins/ad-widget/","label":"WordPress Download Page"},{"url":"https://www.vulncheck.com/advisories/broadstreet-ad-widget-wordpress-plugin-2.12.0-local-file-inclusion-via-step-parameter","label":"VulnCheck Advisory: Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T11:37:02.347Z","slug":"CVE-2017-20289","body":"## Overview\n\nBroadstreet 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.\n\n## Affected\n\n- `ad_widget >= 2.2.0 < 2.12.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}