WordPress 3D FlipBook – PDF Flipbook Viewer, Flipbook Image Gallery Plugin <= 1.16.20 is vulnerable to Sensitive Data Exposure
Low priority No impactful threat
<= 1.16.20Vulnerable version(s)
No official patch availablePatched version
17 Aug, 2026 by Patchstack
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Get startedRisks
CVSS 5.3As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
5.3
Sensitive Data Exposure
This could allow a malicious actor to view sensitive information that is normally not available to regular users. This can be used to exploit other weaknesses in the system.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
Solutions
This security issue has a low severity impact and is unlikely to be exploited.
Details
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Timeline
16 Jul, 2026
Early warning sent out to Patchstack customers
17 Aug, 2026
Published by Patchstack
17 Aug, 2026