Blog, Posts and Category Filter for Elementor <= 1.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post and Category Filter Widget
Vulnerability Description
The Blog, Posts and Category Filter for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Post and Category Filter widget in all versions up to, and including, 1.0.3 due to insufficient input sanitization and output escaping on user supplied 'post_types' attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Matthew Rollings
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a24c2d7d-8df8-4a3a-a538-09e11ebc6dd5?source=cve
- https://plugins.trac.wordpress.org/browser/blog-posts-and-category-for-elementor/trunk/widgets/post-category-filter.php#L885
- https://wordpress.org/plugins/blog-posts-and-category-for-elementor/#developers
Affected Vendor
plugindevs
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