CVE-2026-86842
Received Received - Intake

Real3D Flipbook Authenticated Flipbook Deletion and Settings Overwrite

Vulnerability report for CVE-2026-86842, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: WPScan

Description

The Real3D Flipbook WordPress plugin before 5.4 does not perform capability checks on several of its authenticated flipbook management actions, allowing users with Author-level access and above to delete other users' flipbook content and overwrite administrator-only global settings, which can be leveraged to store JavaScript that executes in the context of any visitor or administrator viewing the site.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
real3d flipbook to 5.4 (exc)
real3d flipbook_lite to 5.4 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This vulnerability in the Real3D Flipbook WordPress plugin before version 5.4 allows users with Author-level access or higher to delete other users' flipbook content and change administrator-only global settings without proper permission checks. This can lead to malicious JavaScript being injected and executed when anyone visits the site.

Detection Guidance

Check if the Real3D Flipbook plugin version is below 5.4. Inspect user roles with Author-level access or higher for unauthorized flipbook deletions or global settings changes. Review JavaScript files for unexpected modifications.

Impact Analysis

If exploited, this flaw could allow unauthorized users to delete your flipbook content, alter site settings, and inject malicious scripts that run on your site. Visitors or administrators viewing the site may have their browsers compromised or data stolen due to the injected JavaScript.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA if malicious scripts steal user data or if unauthorized content changes affect data integrity. GDPR requires protecting user data, and HIPAA mandates safeguarding health information, both of which could be violated through such exploits.

Mitigation Strategies

Update the Real3D Flipbook plugin to version 5.4 or later immediately. Review and restrict user roles to ensure only necessary permissions are granted. Monitor for unauthorized changes to flipbook content or global settings.

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EPSS Chart