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CVE-2026-11551— Branda – White Label & Branding, Free Login Page Customizer <= 3.4.29 - Unauthenticated Privilege Escalation via Account Takeover

Quick assessment

Affected
wpmudev Branda – White Label & Branding, Free Login Page Customizer
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.

WPMU DEV Branda – White Label & Branding, Free Login Page Customizer是WPMU DEV公司的一款白标品牌化与登录页面定制插件。 WPMU DEV Branda – White Label & Branding, Free Login Page Customizer 3.4.29及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户身份即更新密码，可能导致未经身份验证的攻击者更改任意用户密码（包括管理员），进而实现账户接管和权限提升。

CVSS 9.8 · Critical EPSS 0.62% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpmudev Branda – White Label & Branding, Free Login Page Customizer ≤ 3.4.29 affected
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I. Basic Information for CVE-2026-11551

Vulnerability Information
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Vulnerability Title
Branda – White Label & Branding, Free Login Page Customizer <= 3.4.29 - Unauthenticated Privilege Escalation via Account Takeover
Source: CVE Program / CVE List V5
Vulnerability Description
The Branda plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 3.4.29. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for unauthenticated attackers to change arbitrary user's passwords, including administrators, and leverage that to gain access to their account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
WPMU DEV Branda – White Label & Branding, Free Login Page Customizer 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WPMU DEV Branda – White Label & Branding, Free Login Page Customizer是WPMU DEV公司的一款白标品牌化与登录页面定制插件。 WPMU DEV Branda – White Label & Branding, Free Login Page Customizer 3.4.29及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户身份即更新密码，可能导致未经身份验证的攻击者更改任意用户密码（包括管理员），进而实现账户接管和权限提升。
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

Vendor Product Affected Versions CPE Subscribe
wpmudev Branda – White Label & Branding, Free Login Page Customizer 0 ~ 3.4.29 -

II. Public POCs for CVE-2026-11551

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III. Intelligence Information for CVE-2026-11551

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Patches & Fixes for CVE-2026-11551 (2)

Other References for CVE-2026-11551 (1)

IV. Related Vulnerabilities

Same product: Branda – White Label & Branding, Free Login Page Customizer
Same vendor: wpmudev
Same weakness: CWE-640

V. Comments for CVE-2026-11551

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