CVE-2026-86814

Received Received - Intake

Unauthenticated Account Takeover in UsersWP WordPress Plugin

Publication date: 2026-09-19

Last updated on: 2026-09-19

Assigner: WPScan

Description

The UsersWP WordPress plugin before 1.5.10 does not verify that a social login provider has confirmed ownership of an email address before using it to resolve an existing account, allowing unauthenticated attackers to log in as any user, including administrators, whose email address they can assert through a provider account of their own.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-19

Last Modified

2026-09-19

Generated

2026-09-20

AI Q&A

2026-09-20

EPSS Evaluated

N/A

NVD

CVE-2026-86814

Affected Vendors & Products

Vendor	Product	Version / Range
userswp	userswp	to 1.5.10 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability in the UsersWP WordPress plugin before version 1.5.10 allows attackers to log in as any user, including administrators, by exploiting social login providers. The plugin fails to verify if a social login provider has confirmed ownership of an email address before using it to resolve an existing account.

Impact Analysis

An attacker could gain unauthorized access to user accounts, including administrative accounts, potentially leading to data theft, unauthorized modifications, or complete site compromise. This could result in loss of sensitive information or control over the WordPress site.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and access control. Organizations may face legal penalties, reputational damage, and loss of compliance certifications.

Mitigation Strategies

Update the UsersWP WordPress plugin to version 1.5.10 or later to address the vulnerability. If immediate update is not possible, disable social login functionality as a temporary workaround.

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