Vulnerability · Published Jul 10, 2026 · Assigned by Wordfence
CVE-2026-15292Sudoku Shortcode <= 1.0.0 - Authenticated (Contributor+) Cross-Site Scripting via 'background' Shortcode Attribute
Medium 6.4
In plain English
A medium-severity cross-site scripting in Sudoku Shortcode from tibouille. 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 26% of all known vulnerabilities).
Official description
The Sudoku Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'background' parameter in the 'sudoku-sc' shortcode in all versions up to, and including, 1.0.0 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 |
|---|---|---|
| tibouille | Sudoku Shortcode | 0 – through 1.0.0 |
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/99e4b38c-f81d-4578-a623-ea62495e934d?source=cve
- https://plugins.trac.wordpress.org/browser/sudoku-shortcode/trunk/sudoku-shortcode.php#L63
- https://plugins.trac.wordpress.org/browser/sudoku-shortcode/tags/1.0.0/sudoku-shortcode.php#L63
- https://plugins.trac.wordpress.org/browser/sudoku-shortcode/trunk/sudoku-shortcode.php#L73
- https://plugins.trac.wordpress.org/browser/sudoku-shortcode/tags/1.0.0/sudoku-shortcode.php#L73