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CVE-2026-15758

MEDIUM 5.3 CVSS 3.1
Published
September 15, 2026
Last modified
September 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-200
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

The 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.16.20 via the 'id' parameter. This makes it possible for unauthenticated attackers to extract sensitive data including the full metadata payload of password-protected flipbooks — including title, outline, props, and the serialized data blob containing the underlying PDF file's direct URL — bypassing WordPress post-password confidentiality. Flipbook post IDs can be pre-enumerated via the also-unauthenticated fb3d_send_posts AJAX action, requiring no prior knowledge to target specific flipbooks.

Affected WordPress components

  • 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery Plugin · interactive-3d-flipbook-powered-physics-engine
    Confirmed match Active
    Up to and including 1.16.20
    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

  • iberezansky 3D FlipBook – PDF Embedder, PDF Flipbook Viewer, Flipbook Image Gallery — Up to and including 1.16.20

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/interactive-3d-flipbook-powered-physics-engine/trunk/inc/ajax-get.php#L119
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/interactive-3d-flipbook-powered-physics-engine/trunk/inc/ajax-get.php#L136
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/interactive-3d-flipbook-powered-physics-engine/trunk/inc/ajax-get.php#L142
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3661282%40interactive-3d-flipbook-powered-physics-engine&new=3661282%40interactive-3d-flipbook-powered-physics-engine
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3ad65e10-6f99-421b-abec-ed374769dfcf?source=cve
  • nvd.nist.gov Official NVD record