CVE-2017-20289
Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-98 |
| Vendor | broadstreet |
| Product | ad widget |
| Published | Oct 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Broadstreet / Ad Widget
2.2.0 < 2.12.0
References
wpscan.com: https://wpscan.com/vulnerability/caca21fe-56bf-4d4c-afc8-4a218e52f0a2 packetstorm.news: https://packetstorm.news/files/id/144553/ cxsecurity.com: https://cxsecurity.com/issue/WLB-2017100084 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/1628751/ad-widget github.com: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yaml wordpress.org: https://wordpress.org/plugins/ad-widget/ vulncheck.com: https://www.vulncheck.com/advisories/broadstreet-ad-widget-wordpress-plugin-2.12.0-local-file-inclusion-via-step-parameter
Credits
ethicalhack3r 🔍 The Shadowserver Foundation