iberezansky 3D FlipBook Plugin up to 1.16.20 on WordPress ID information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, was found in iberezansky 3D FlipBook Plugin up to 1.16.20. This issue affects some unknown processing. Executing a manipulation of the argument ID can lead to information disclosure. This vulnerability is handled as CVE-2026-15758. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in iberezansky 3D FlipBook Plugin up to 1.16.20. This vulnerability affects some unknown functionality. The manipulation of the argument id with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2026-15758 since 07/14/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/15/2026). The MITRE ATT&CK project declares the attack technique as T1592.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-78272). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Vendor

• iberezansky

Name

• 3D FlipBook Plugin

Version

• 1.16.0
• 1.16.1
• 1.16.2
• 1.16.3
• 1.16.4
• 1.16.5
• 1.16.6
• 1.16.7
• 1.16.8
• 1.16.9
• 1.16.10
• 1.16.11
• 1.16.12
• 1.16.13
• 1.16.14
• 1.16.15
• 1.16.16
• 1.16.17
• 1.16.18
• 1.16.19
• 1.16.20

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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