CVE-2017-20289 | BDVDB-2026-394221 Detail
BroadstreetAd Widget
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
References#
- https://wpscan.com/vulnerability/caca21fe-56bf-4d4c-afc8-4a218e52f0a2
- https://packetstorm.news/files/id/144553/
- https://cxsecurity.com/issue/WLB-2017100084
- https://plugins.trac.wordpress.org/changeset/1628751/ad-widget
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/ad-widget-lfi.yaml
- https://wordpress.org/plugins/ad-widget/
- https://www.vulncheck.com/advisories/broadstreet-ad-widget-wordpress-plugin-2.12.0-local-file-inclusion-via-step-parameter
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.