3D FlipBook <= 1.16.20 - Unauthenticated Sensitive Information Exposure in 'id' Parameter

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-15758
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-15 06:16:54 UTC
Updated2026-09-15 06:16:54 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem Types: CWE-200 | CWE-200 CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Iberezansky 3D FlipBook PDF Embedder PDF Flipbook Viewer Flipbook Image Gallery affected 1.16.20 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/3ad65e10-6f99-421b-abec-ed374... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/interactive-3d-flipbook-powered-physics-engine/trunk/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/interactive-3d-flipbook-powered-physics-engine/trunk/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/interactive-3d-flipbook-powered-physics-engine/trunk/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Suredsi Ulpada (cyberdesu) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-14T16:48:11.000ZDisclosed

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