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CVE-2025-11834

MEDIUM 6.4 CVSS 3.1
Published
October 22, 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 WP AD Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'startindex' parameter of the ad-gallery shortcode in all versions up to, and including, 1.3. This is 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 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

  • wiellyam WP AD Gallery — Up to and including 1.3

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-ad-gallery/tags/1.3/shortcode/shortcode.php#L177
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/0144ae03-00ce-481d-8d29-7a484f1f6cbf?source=cve
  • nvd.nist.gov Official NVD record