CVE-2025-58226 Overview
CVE-2025-58226 is an information disclosure vulnerability in the iberezansky 3D FlipBook – PDF Flipbook Viewer, Flipbook Image Gallery WordPress plugin (interactive-3d-flipbook-powered-physics-engine). The flaw is classified under [CWE-201]: Insertion of Sensitive Information Into Sent Data. It affects all plugin versions up to and including 1.16.16. An unauthenticated remote attacker can retrieve embedded sensitive data through network-accessible endpoints without user interaction. The issue is tracked with a CVSS 3.1 base score of 5.3 and impacts confidentiality only. The vulnerability was published to the National Vulnerability Database (NVD) on September 22, 2025.
Critical Impact
Unauthenticated attackers can retrieve sensitive data embedded in plugin responses across all 3D FlipBook plugin versions up to 1.16.16.
Affected Products
- iberezansky 3D FlipBook – PDF Flipbook Viewer WordPress plugin
- 3D FlipBook Flipbook Image Gallery (interactive-3d-flipbook-powered-physics-engine)
- All plugin versions from n/a through 1.16.16
Discovery Timeline
- 2025-09-22 - CVE-2025-58226 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-58226
Vulnerability Analysis
The 3D FlipBook plugin exposes sensitive information within data sent to clients. The plugin embeds content that should remain protected inside responses served to unauthenticated visitors. Attackers reach the vulnerable functionality over the network without credentials or user interaction. The Exploit Prediction Scoring System (EPSS) rates this issue at 0.706% probability of exploitation.
The issue is scoped to confidentiality impact only. There is no direct path to code execution, privilege escalation, or data modification through this specific weakness. However, information gathered through this exposure can support secondary attacks such as targeted phishing or reconnaissance against protected content behind the flipbook viewer.
Root Cause
The root cause is improper handling of sensitive data during content rendering and delivery. The plugin fails to strip, redact, or gate access to embedded material before serving it to arbitrary clients. This aligns with [CWE-201], where an application places sensitive information into data structures or messages that are transmitted to unintended recipients.
Attack Vector
Exploitation requires only network access to a WordPress site running a vulnerable version of the plugin. An attacker issues HTTP requests to plugin endpoints or public flipbook resources and parses the returned content to extract embedded sensitive data. No authentication, cookies, or user interaction are required. See the Patchstack Vulnerability Report for technical details.
Detection Methods for CVE-2025-58226
Indicators of Compromise
- Unusual unauthenticated HTTP GET requests targeting /wp-content/plugins/interactive-3d-flipbook-powered-physics-engine/ paths
- Automated scanners requesting flipbook JSON, XML, or configuration resources at high volume
- Access log entries with non-browser user agents enumerating PDF or image gallery assets served by the plugin
Detection Strategies
- Inventory WordPress installations and identify sites running the 3D FlipBook plugin version 1.16.16 or earlier
- Review web server access logs for repeated requests to plugin endpoints from single source IPs or known scanning infrastructure
- Enable WordPress plugin vulnerability scanning through tools such as WPScan or Patchstack against the site inventory
Monitoring Recommendations
- Alert on spikes in requests to plugin paths outside expected browsing patterns
- Monitor for outbound data volumes from WordPress hosts that exceed baselines for normal flipbook usage
- Track WordPress plugin version changes and apply the vulnerability feed from the Patchstack Vulnerability Report
How to Mitigate CVE-2025-58226
Immediate Actions Required
- Update the 3D FlipBook plugin to a version later than 1.16.16 once released by the vendor
- Audit flipbook content on affected sites to identify any sensitive material that may already have been exposed
- Restrict access to flipbook resources containing confidential information using WordPress access controls or reverse proxy rules
Patch Information
At the time of publication, the vulnerability affects the plugin from n/a through 1.16.16. Administrators should consult the Patchstack Vulnerability Report and the WordPress plugin repository for the fixed release, and apply the update through the WordPress admin dashboard or WP-CLI.
Workarounds
- Deactivate the 3D FlipBook plugin until a patched version can be installed
- Remove or replace flipbooks that embed sensitive documents with public-safe alternatives
- Deploy a Web Application Firewall (WAF) rule to block unauthenticated requests to sensitive plugin endpoints
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

