CVE-2026-13690: CWE-287 Improper Authentication in UsersWP
UsersWP WordPress plugin versions prior to 1.2.67 contain an improper authentication vulnerability that allows bypassing the second factor in two-factor authentication. An attacker who already knows a user's credentials can exploit this flaw to log in without completing the second authentication step.
AI Analysis
Technical Summary
CVE-2026-13690 is an improper authentication vulnerability (CWE-287) in the UsersWP WordPress plugin before version 1.2.67. The plugin fails to validate the selected authentication provider in its two-factor login handler, enabling an attacker with valid user credentials to bypass the second factor of authentication and gain unauthorized access as that user.
Potential Impact
Successful exploitation allows an attacker who knows a user's password to bypass two-factor authentication, resulting in full account compromise with high confidentiality and integrity impact. Availability is not affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should upgrade to version 1.2.67 or later once available or follow vendor instructions. Until then, consider disabling two-factor authentication in UsersWP or applying any recommended temporary mitigations from the vendor.
CVE-2026-13690: CWE-287 Improper Authentication in UsersWP
Description
UsersWP WordPress plugin versions prior to 1.2.67 contain an improper authentication vulnerability that allows bypassing the second factor in two-factor authentication. An attacker who already knows a user's credentials can exploit this flaw to log in without completing the second authentication step.
CVSS v3.1
Score 7.4high
Affected software
UsersWP
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13690 is an improper authentication vulnerability (CWE-287) in the UsersWP WordPress plugin before version 1.2.67. The plugin fails to validate the selected authentication provider in its two-factor login handler, enabling an attacker with valid user credentials to bypass the second factor of authentication and gain unauthorized access as that user.
Potential Impact
Successful exploitation allows an attacker who knows a user's password to bypass two-factor authentication, resulting in full account compromise with high confidentiality and integrity impact. Availability is not affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should upgrade to version 1.2.67 or later once available or follow vendor instructions. Until then, consider disabling two-factor authentication in UsersWP or applying any recommended temporary mitigations from the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-06-29T11:08:13.255Z
- State
- PUBLISHED
Threat ID: 6a699fb99c2644c7f814eace
Added to database: 07/29/2026, 06:37:45 UTC
Last enriched: 08/05/2026, 15:14:58 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 57
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