{"id":"CVE-2017-20289","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-20289","generatedAt":"2026-10-28T20:49:34.649Z","title":"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.","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.","published":"2026-10-22T11:17:03.000Z","lastModified":"2026-10-23T22:16:50.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-98"],"affected":[],"epss":{"score":0.00931,"percentile":0.60434,"date":"2026-10-27","history":[{"date":"2026-10-23","score":0.00762,"percentile":0.54894}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-22T11:17:03.000Z","detail":{"score":"7.7","severity":"HIGH","publishedAt":"2026-10-22T11:17:03.063Z"},"summary":"New CVE, high severity (CVSS 7.7)."}],"references":[{"url":"https://cxsecurity.com/issue/WLB-2017100084","source":"disclosure@vulncheck.com"},{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yaml","source":"disclosure@vulncheck.com"},{"url":"https://packetstorm.news/files/id/144553/","source":"disclosure@vulncheck.com"},{"url":"https://plugins.trac.wordpress.org/changeset/1628751/ad-widget","source":"disclosure@vulncheck.com"},{"url":"https://wordpress.org/plugins/ad-widget/","source":"disclosure@vulncheck.com"},{"url":"https://wpscan.com/vulnerability/caca21fe-56bf-4d4c-afc8-4a218e52f0a2","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/broadstreet-ad-widget-wordpress-plugin-2.12.0-local-file-inclusion-via-step-parameter","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-20289","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}