CVE-2026-89330— EmbedPress <= 4.6.5 - Reflected Cross-Site Scripting via 'hash' and 'unique' Parameters
Quick assessment
Affected
wpdevteam EmbedPress – PDF Embedder, 3D PDF FlipBook, Google Reviews, YouTube Videos, Upload & Embed PDF documents
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WordPress 插件“EmbedPress – PDF Embedder, 3D PDF FlipBook, Google Reviews, YouTube Videos, Upload & Embed PDF documents”在所有版本（包括 4.6.5 及更早版本）中易受反射型跨站脚本（Reflected XSS）攻击，原因是‘unique’参数的输入过滤和输出转义不足。这使得未经身份验证的攻击者能够通过诱使用户执行某些操作（例如点击链接），从而在相关页面中注入任意 Web 脚本。这是一个回归性缺陷：在
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wpdevteam | EmbedPress – PDF Embedder, 3D PDF FlipBook, Google Reviews, YouTube Videos, Upload & Embed PDF documents | ≤ 4.6.5 |
affected |
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I. Basic Information for CVE-2026-89330
Vulnerability Information
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Vulnerability Title
EmbedPress <= 4.6.5 - Reflected Cross-Site Scripting via 'hash' and 'unique' Parameters
Source: CVE Program / CVE List V5
Vulnerability Description
The EmbedPress – PDF Embedder, 3D PDF FlipBook, Google Reviews, YouTube Videos, Upload & Embed PDF documents plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'unique' parameter in all versions up to, and including, 4.6.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. This is a regression: the esc_url() wrapper that remediated the equivalent CVE-2023-5749 in version 3.9.2 was removed in version 4.3.0 during a refactor that introduced the 'unique' parameter.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| wpdevteam | EmbedPress – PDF Embedder, 3D PDF FlipBook, Google Reviews, YouTube Videos, Upload & Embed PDF documents | 0 ~ 4.6.5 | - |
|
II. Public POCs for CVE-2026-89330
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-89330 (2)
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