CVE-2026-11551: CWE-640 Weak Password Recovery Mechanism for Forgotten Password in wpmudev Branda – White Label & Branding, Free Login Page Customizer
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.
AI Analysis
Technical Summary
CVE-2026-11551 is a critical privilege escalation vulnerability in the Branda plugin for WordPress (versions <=3.4.29). The plugin fails to properly validate user identity during the password recovery process, enabling unauthenticated attackers to reset passwords for any user, including administrators. This flaw allows attackers to gain unauthorized access and control of affected accounts, severely compromising site security. The vulnerability is categorized under CWE-640 (Weak Password Recovery Mechanism). No official patch or remediation guidance has been provided yet.
Potential Impact
Successful exploitation allows unauthenticated attackers to change passwords of arbitrary users, including administrators, leading to full account takeover. This compromises confidentiality, integrity, and availability of the affected WordPress site, enabling attackers to execute arbitrary actions with elevated privileges.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the password recovery functionality if possible and monitor for suspicious activity related to password resets. Avoid using affected versions in production environments.
CVE-2026-11551: CWE-640 Weak Password Recovery Mechanism for Forgotten Password in wpmudev Branda – White Label & Branding, Free Login Page Customizer
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.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11551 is a critical privilege escalation vulnerability in the Branda plugin for WordPress (versions <=3.4.29). The plugin fails to properly validate user identity during the password recovery process, enabling unauthenticated attackers to reset passwords for any user, including administrators. This flaw allows attackers to gain unauthorized access and control of affected accounts, severely compromising site security. The vulnerability is categorized under CWE-640 (Weak Password Recovery Mechanism). No official patch or remediation guidance has been provided yet.
Potential Impact
Successful exploitation allows unauthenticated attackers to change passwords of arbitrary users, including administrators, leading to full account takeover. This compromises confidentiality, integrity, and availability of the affected WordPress site, enabling attackers to execute arbitrary actions with elevated privileges.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the password recovery functionality if possible and monitor for suspicious activity related to password resets. Avoid using affected versions in production environments.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-06-08T05:16:38.024Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a35d3addaaa79a87d672200
Added to database: 06/19/2026, 23:41:33 UTC
Last enriched: 06/27/2026, 21:44:08 UTC
Last updated: 08/02/2026, 19:17:56 UTC
Views: 248
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