CVE-2026-16261
Received Received - Intake

Authentication Bypass in WordPress login-social Plugin

Publication date: 2026-08-02

Last updated on: 2026-08-02

Assigner: WPScan

Description
The login-social WordPress plugin through 1.0.4 does not validate password-reset requests against a reset key or the requester's identity, and it issues authentication sessions from unverified third-party sign-in data, allowing unauthenticated attackers to reset any user's password or log in as any existing account, including administrators, and take over the site.

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Meta Information

Published
2026-08-02
Last Modified
2026-08-02
Generated
2026-08-02
AI Q&A
2026-08-02
EPSS Evaluated
N/A
NVD
CVE-2026-16261
EUVD
EUVD-2026-51943

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
login-social login-social 1.0.4

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

The login-social WordPress plugin through version 1.0.4 has a critical flaw where it does not verify password-reset requests against a reset key or the requester's identity. This allows unauthenticated attackers to reset any user's password or log in as any existing account, including administrators, by exploiting unverified third-party sign-in data.

Detection Guidance

This vulnerability can be detected by checking if the login-social WordPress plugin is installed and its version is 1.0.4 or below. Inspect the plugin files for improper password-reset validation and unverified session issuance. No specific commands are provided in the context.

Impact Analysis

This vulnerability allows attackers to take over your WordPress site by resetting passwords or logging in as any user, including administrators. Once compromised, attackers can gain full control over your site, steal data, or install malicious software.

Compliance Impact

This vulnerability can lead to unauthorized access to sensitive user data, violating GDPR and HIPAA compliance requirements. It may result in data breaches, unauthorized disclosures, and failure to meet regulatory standards for data protection and user privacy.

Mitigation Strategies

Immediately update the login-social WordPress plugin to the latest version if an update is available. If no update exists, consider disabling or removing the plugin entirely. Review all user accounts for unauthorized changes and reset passwords for all users, especially administrators.

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