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CVE-2026-1804

MEDIUM 6.4 CVSS 3.1
Published
February 11, 2026
Last modified
June 17, 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 WDES Responsive Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wdes-popup-title' shortcode in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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

  • master-buldog WDES Responsive Popup — Up to and including 1.3.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wdes-responsive-popup/tags/1.3.6/lib/view/title.php#L77
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wdes-responsive-popup/tags/1.3.6/wdes-popup.php#L111
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3afdffa7-23ec-41ea-b05a-152a69b7ce50?source=cve
  • nvd.nist.gov Official NVD record