Guten Post Layout – An Advanced Post Grid Collection for WordPress Gutenberg <= 1.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via align Attribute
Vulnerability Description
The Guten Post Layout – An Advanced Post Grid Collection for WordPress Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘align’ attribute within the 'wp:guten-post-layout/post-grid' Gutenberg block in all versions up to, and including, 1.2.4 due to insufficient input sanitization and output escaping. 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?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-8288
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Francesco Carlucci
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5d6d9852-424a-4d98-9926-e849bef99c2d?source=cve
- https://plugins.trac.wordpress.org/browser/guten-post-layout/trunk/src/blocks/post-grid/post-grid.php#L300
- https://wordpress.org/plugins/guten-post-layout/#developers
- https://plugins.trac.wordpress.org/browser/guten-post-layout/trunk/src/blocks/post-grid/post-grid.php#L27
- https://plugins.trac.wordpress.org/changeset/3171324/guten-post-layout/trunk/src/blocks/post-grid/post-grid.php
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