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CVE-2026-109209

MEDIUM 6.4 CVSS 3.1
Published
October 28, 2026
Last modified
October 29, 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 All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'custom_fields[embedcode]' parameter in all versions up to, and including, 4.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The sanitization bypass is possible because the save_meta_data() handler returns early when $_POST['post_type'] is absent — a condition always true during XML-RPC requests — and the plugin unconditionally grants Subscribers the publish_aiovg_videos capability, making this exploitable by any authenticated user via a single wp.newPost XML-RPC call.

Affected WordPress components

  • All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos Plugin · all-in-one-video-gallery
    Confirmed match Active
    Up to and including 4.9.7
    View on WordPress.org

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

  • plugins360 All-in-One Video Gallery – Video Player & Galleries for YouTube, Vimeo & Self-Hosted Videos — Up to and including 4.9.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/all-in-one-video-gallery/tags/4.9.7/admin/videos.php#L254
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/all-in-one-video-gallery/tags/4.9.7/includes/player/base.php#L1028
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/all-in-one-video-gallery/tags/4.9.7/includes/player/base.php#L277
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3759353/all-in-one-video-gallery/trunk/includes/player/base.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/cc6b1fa7-d5f9-4aec-860e-067c26745450?source=cve
  • nvd.nist.gov Official NVD record