Vulnerability · Published Oct 1, 2024 · Assigned by Wordfence
CVE-2024-8288Guten Post Layout – An Advanced Post Grid Collection for WordPress Gutenberg <= 1.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via align Attribute
Medium 6.4
In plain English
A medium-severity cross-site scripting in Guten Post Layout – An Advanced Post Grid Collection from adreastrian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| adreastrian | Guten Post Layout – An Advanced Post Grid Collection | 0 – through 1.2.4 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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