CVE-2017-20289Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter
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It affects Broadstreet Ad Widget. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.76%, higher than 55% of scored CVEs.
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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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-98
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.76% (percentile 55)
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 23, 2026
- First seen by InfoSec Signals
- Oct 22, 2026
Affected products
Broadstreet Ad Widget broadstreet:ad_widget (from the name) | from 2.2.0 before 2.12.0 | CNA record |
References
- https://wpscan.com/vulnerability/caca21fe-56bf-4d4c-afc8-4a218e52f0a2third-party-advisory
- https://packetstorm.news/files/id/144553/exploit
- https://cxsecurity.com/issue/WLB-2017100084exploit
- https://plugins.trac.wordpress.org/changeset/1628751/ad-widgetpatch
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yamltechnical-description
- https://wordpress.org/plugins/ad-widget/product
- https://www.vulncheck.com/advisories/broadstreet-ad-widget-wordpress-plugin-2.12.0-local-file-inclusion-via-step-parameterthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.