List Attachments Shortcode <= 0.4.1a - Authenticated (Author+) Stored Cross-Site Scripting via list-attachments Shortcode
Vulnerability Description
The List Attachments Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'before_list' parameter in the [list-attachments] shortcode in all versions up to, and including, 0.4.1a due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-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:
- Muhammad Yudha - DJ
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a67b4ec2-b337-478f-aaaa-2ce19c4deb4c?source=cve
- https://plugins.trac.wordpress.org/browser/list-attachments-shortcode/tags/0.6a/class-list-attachments-shortcode.php#L47
- https://plugins.trac.wordpress.org/browser/list-attachments-shortcode/tags/0.6a/class-list-attachments-shortcode.php#L85
Affected Vendor
cgrymala
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