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CVE-2026-4029— Database Backup for WordPress <= 2.5.2 - Missing Authorization to Unauthenticated Database Export

CVSS 7.5 · High EPSS 0.06% · P18

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
wpengineDatabase Backup for WordPress≤ 2.5.2affected
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I. Basic Information for CVE-2026-4029

Vulnerability Information
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Vulnerability Title
Database Backup for WordPress <= 2.5.2 - Missing Authorization to Unauthenticated Database Export
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Database Backup for WordPress plugin for WordPress is vulnerable to unauthorized database export in all versions up to, and including, 2.5.2. This is due to the plugin not properly enforcing the return value of its authorization check. This makes it possible for unauthenticated attackers to export database tables, leading to Sensitive Information Exposure. Note: This vulnerability is only exploitable in WordPress Multisite environments where the deprecated is_site_admin() function exists.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Database Backup for WordPress 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Database Backup for WordPress 2.5.2及之前版本存在安全漏洞，该漏洞源于未正确执行授权检查的返回值，可能导致未经身份验证的攻击者导出数据库表，导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
wpengineDatabase Backup for WordPress 0 ~ 2.5.2 -

II. Public POCs for CVE-2026-4029

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III. Intelligence Information for CVE-2026-4029

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Same Patch Batch · wpengine · 2026-05-14 · 3 CVEs total

CVE-2026-40308.1 HIGHDatabase Backup for WordPress <= 2.5.2 - Missing Authorization to Unauthenticated Arbitrar
CVE-2026-40317.5 HIGHDatabase Backup for WordPress <= 2.5.2 - Missing Authorization to Unauthenticated Database

IV. Related Vulnerabilities

Same product: Database Backup for WordPress
Same vendor: wpengine
Same weakness: CWE-862

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