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 contains a critical vulnerability that allows unauthenticated attackers to escalate privileges by taking over user accounts. This occurs because the plugin fails to properly validate user identity before allowing password updates. As a result, attackers can change passwords of arbitrary users, including administrators, gaining unauthorized access. The vulnerability affects all versions up to and including 3.4.29. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
CVE-2026-11551 is a critical privilege escalation vulnerability in the Branda – White Label & Branding, Free Login Page Customizer WordPress plugin. The flaw stems from improper validation during the password recovery process, enabling unauthenticated attackers to change any user's password without verifying identity. This weakness (CWE-640) allows attackers to take over accounts, including those with administrative privileges. The vulnerability affects all versions up to and including 3.4.29. There is no vendor advisory or patch information currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to change arbitrary users' passwords, including administrators, resulting in full account takeover. This leads to complete compromise of the affected WordPress site, including confidentiality, integrity, and availability impacts as indicated by the CVSS score of 9.8 (critical).
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the password recovery functionality if possible, and monitor for suspicious activity related to password changes. Avoid using vulnerable versions and consider disabling the plugin temporarily if feasible.
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 contains a critical vulnerability that allows unauthenticated attackers to escalate privileges by taking over user accounts. This occurs because the plugin fails to properly validate user identity before allowing password updates. As a result, attackers can change passwords of arbitrary users, including administrators, gaining unauthorized access. The vulnerability affects all versions up to and including 3.4.29. No official patch or remediation guidance has been provided yet.
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 – White Label & Branding, Free Login Page Customizer WordPress plugin. The flaw stems from improper validation during the password recovery process, enabling unauthenticated attackers to change any user's password without verifying identity. This weakness (CWE-640) allows attackers to take over accounts, including those with administrative privileges. The vulnerability affects all versions up to and including 3.4.29. There is no vendor advisory or patch information currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to change arbitrary users' passwords, including administrators, resulting in full account takeover. This leads to complete compromise of the affected WordPress site, including confidentiality, integrity, and availability impacts as indicated by the CVSS score of 9.8 (critical).
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the password recovery functionality if possible, and monitor for suspicious activity related to password changes. Avoid using vulnerable versions and consider disabling the plugin temporarily if feasible.
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: 6/19/2026, 11:41:33 PM
Last enriched: 6/19/2026, 11:56:24 PM
Last updated: 6/20/2026, 12:52:40 AM
Views: 32
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