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CVE-2025-11803

MEDIUM 6.4 CVSS 3.1
Published
November 21, 2025
Last modified
October 8, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The WPSite Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'format' shortcode attribute in the wpsite_y shortcode and the 'before' attribute in the wpsite_postauthor shortcode in all versions up to, and including, 1.2. This is due to insufficient input sanitization and output escaping in error messages. 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 WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpfanyi WPSite Shortcode — Up to and including 1.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wpsite-shortcode/tags/1.2/shortcodes/wpsite-date.php#L19
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wpsite-shortcode/tags/1.2/shortcodes/wpsite-date.php#L35
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wpsite-shortcode/tags/1.2/shortcodes/wpsite-date.php#L51
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/0d9712c2-1698-4c67-a700-a4598cb25a95?source=cve
  • nvd.nist.gov Official NVD record