Team Showcase <= 2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Vulnerability Description
The Team Showcase plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'tmfshortcode' shortcode in all versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-5639
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- István Márton
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d3b26060-294e-4d4c-9295-0b08f533d5c4?source=cve
- https://plugins.trac.wordpress.org/browser/team-showcase/trunk/team-manager-free.php?rev=2912143#L489
- https://plugins.trac.wordpress.org/browser/team-showcase/trunk/team-manager-free.php?rev=2912143#L893
- https://plugins.trac.wordpress.org/changeset/2980614/team-showcase
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