CVE-2026-86710: CWE-287 Improper Authentication in Login with QR
The Login with QR WordPress plugin up to version 1.0.0 contains an improper authentication vulnerability. It fails to verify that the QR code used for login was actually issued by the plugin, instead matching any stored user metadata value. This flaw allows unauthenticated attackers to log in as any user, including administrators.
AI Analysis
Technical Summary
CVE-2026-86710 describes an improper authentication vulnerability (CWE-287) in the Login with QR WordPress plugin through version 1.0.0. The plugin does not verify that the QR code used to authenticate a user was legitimately issued by it. Instead, it accepts any code matching stored user metadata, enabling attackers without authentication to log in as arbitrary users, including those with administrative privileges.
Potential Impact
An attacker can bypass authentication controls and gain unauthorized access to any user account, including administrator accounts. This could lead to full site compromise, data exposure, and unauthorized administrative actions.
Mitigation Recommendations
No patch or official fix is currently documented. Users should monitor the vendor advisory for updates. Until a fix is available, consider disabling the Login with QR plugin or restricting its use to trusted environments to prevent exploitation.
CVE-2026-86710: CWE-287 Improper Authentication in Login with QR
Description
The Login with QR WordPress plugin up to version 1.0.0 contains an improper authentication vulnerability. It fails to verify that the QR code used for login was actually issued by the plugin, instead matching any stored user metadata value. This flaw allows unauthenticated attackers to log in as any user, including administrators.
Affected software
Login with QR
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86710 describes an improper authentication vulnerability (CWE-287) in the Login with QR WordPress plugin through version 1.0.0. The plugin does not verify that the QR code used to authenticate a user was legitimately issued by it. Instead, it accepts any code matching stored user metadata, enabling attackers without authentication to log in as arbitrary users, including those with administrative privileges.
Potential Impact
An attacker can bypass authentication controls and gain unauthorized access to any user account, including administrator accounts. This could lead to full site compromise, data exposure, and unauthorized administrative actions.
Mitigation Recommendations
No patch or official fix is currently documented. Users should monitor the vendor advisory for updates. Until a fix is available, consider disabling the Login with QR plugin or restricting its use to trusted environments to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-08T10:58:07.518Z
- State
- PUBLISHED
Threat ID: 6aab827555bf5e2cf5d4d324
Added to database: 09/17/2026, 06:02:29 UTC
Last enriched: 09/17/2026, 06:17:38 UTC
Last updated: 09/17/2026, 07:03:41 UTC
Views: 5
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